1) to understand a concept.

2) used to describe someone doing something well, intensely, or passionately.

3) used to describe an attractive human or attraction to a human
Ex 1) "sorry that was such a long-winded explanation; hopefully you get it," "yea I get it thanks for explaining"

Ex 2) "look at the girl twerking on the dance floor. GET IT GIRL!!!"
"oh my God, this guitarist is straight up getting it!!"
"During a super Moto race Holy shit look at him go!! Get it!!!!!"

Ex 3) "I don't care that Paul Rudd is in his 50s, that beautiful dork of a man can still get it"
These two words are a prefix of a wide variety of words in the dialect of people from Hedon, East Yorkshire. They are often used in a forthright way, and are an instruction for someone to do something.
Instruction to a child unwilling to wear a particular garment such as a scarf or balaclava - "Get it worn."
Instruction to a child to finish their tea - "Get it eaten."

Seen scrawled with chalk on a blackboard in a pub in Hedon - Get it Fingered.
by GYUK August 2, 2014
A phrase you say after a joke if it flies past the people's heads. A question that may be responded to with I don't get it.
!: What do you call a sexy shark?
#: burr...
!: A nurse shark! Get it!!??
#: I don't get it...
by Insufficient Postage February 18, 2006
A positive statement to pump someone up like a cheerleader. To achieve a goal. Reinforcement on the repetitive notion to achieve maximal greatness at the task at hand.
Kelli "I'm takin' two cookies"
Jami "Get it Get it!!"
by JaKell August 14, 2015
Phrase encouraging whomever is listening to go ahead and move forward, doing whatever it is one is talking of doing without haste.
Brian told Bret, "Bro, if you gonna go get me my money you might ought to go ahead and get-that-in before I have to go".
by Nikki Stixx December 9, 2018
Get by = manage

When someone has to manage sth or a situation
Fuck! It's getting worse and worse, I can't get by it anymore.
by István Dergecz Neto October 31, 2007