If people try to make fun or laugh when things are very frightening, dangerous, life-threatening or hopeless, it is gallows humour (or "gallows humor").
When someone says 'Game on!', it means that they are accepting a challenge or ready to get something done.
A game plan is a strategy.
A garbage fee is a charge that has no value and doesn't provide any real service.
If a computer system or database is built badly, then the results will be bad.
(UK) If someone is paid for a period when they are not working, either after they have given in their notice or when they are being investigated, they are on gardening leave.
If events gather pace, they move faster.
If something gathers speed, it moves or progresses at an increasing speed.
If you get a grip, you control your emotions so that they don't overwhelm you.
When you get a handle on something, you come to understand it.
Getting a sheepskin (or your sheepskin) means getting a degree or diploma. (Sheepskin refers to the parchment that a degree is printed on- parchment comes from sheepskin.)
If people get along famously, they have an exceedingly good relationship.
If someone gets away scot-free, they are not punished when they have done something wrong. ('Get off scot-free' is an alternative.)
If you get away with murder, you do something bad and don't get caught or punished.('Get away with blue murder' is also used.)
When you start drinking again after being hungover from drinking the previous night.
To get cracking means to start working on something, usually a job or task with defined parameters.
If people want to get in on the act, they want to participate in something that is currently profitable or popular.
If you get in on the ground floor, you enter a project or venture at the start before people know how successful it might be.
(UK) If you get it in the neck, you are punished or criticised for something.
If you get something off your chest, you confess to something that has been troubling you.
If you get someone's drift, you understand what they are trying to say. ('Catch their drift' is an alternative form.)
If a project or plan gets off the ground, it starts to be put into operation.
If people get on like a house on fire, they have a very close and good relationship.
(USA) If something is getting on your last nerve, you are completely fed up, ready to lose your temper. (Southern USA)
If something gets on your nerves, it annoys or irritates you.
If someone on their soapbox, they hold forth (talk a lot) about a subject they feel strongly about.
If you get out of bed on the wrong side, you wake up and start the day in a bad mood for no real reason.
(UK) If someone gets out of their pram, they respond aggressively to an argument or problem that doesn't involve them.
If you get the axe, you lose your job. ('Get the ax' is the American spelling.)
If you get the ball rolling, you start something so that it can start making progress.
If you get the green light to do something, you are given the necessary permission, authorisation.
When you get the hang of something, you are familiar with it and know how to do it.
This is used to tell someone to hurry up.
If you get the monkey off your back, you pass on a problem to someone else.
(UK) If you get the nod to something, you get approval or permission to do it.
If you get the picture, you understand a situation fully.
If you get the show on the road, you put a plan into operation or begin something.
If you get to grips with something, you take control and do it properly.
If someone has lots of get up and go, they have lots of enthusiasm and energy.
If you get wind of something, you hear or learn about it, especially if it was meant to be secret.
If you get your ducks in a row, you organise yourself and your life.
If you get your feathers in a bunch, you get upset or angry about something.
If you get your feet wet, you gain your first experience of something.
If something gets your goat, it annoys you.
If you get your hands dirty, you become involved in something where the realities might compromise your principles. It can also mean that a person is not just stuck in an ivory tower dictating strategy, but is prepared to put in the effort and hard work to make the details actually happen.
If you get your head around something, you come to understand it even though it is difficult to comprehend.
This is used as a way of telling people to hurry up.
If you get your teeth into something, you become involved in or do something that is intellectually challenging or satisfying. ('Dig you teeth into' and 'sink your teeth into' are also used.)
If people get their wires cross, they misunderstand each other, especially when making arrangements. ('Get your lines crossed' is also used.)
If something or someone hasn't got a ghost of a chance, they have no hope whatsoever of succeeding.
You can feel or otherwise sense a ghostly presence, but you cannot do it clearly only vaguely.
If someone has the gift of the gab, they speak in a persuasive and interesting way.
If you gild the lily, you decorate something that is already ornate.
If someone is in a gilded cage, they are trapped and have restricted or no freedom, but have very comfortable surroundings- many famous people live in luxury but cannot walk out of their house alone.
If you gird your loins, you prepare for conflict or a difficult time.
A girl Friday is a female employee who assists someone without any specific duties.
Applaud by clapping hands. 'Let's give all the contestents a big hand.'
A person who is generally known to have been guilty of some offence will always be suspected to be the author of all similar types of offence. Once someone has gained a bad reputation, it is very difficult to lose it.
Where there is give and take, people make concessions in order to get things they want in negotiations.
If you give as good as you get, you are prepared to treat people as badly as they treat you and to fight for what you believe.
(USA) If someone gives away the store, they say or do something that makes their position in negotiations, debates, etc, much weaker.
(UK) If you give something some stick, you put a lot of effort into it.
If someone gives you a hand, they help you.
If someone says this, they want to hit your open hand against theirs as a way of congratulation or greeting.