To get "it" done.
To do something.
To do whatever you got to do.

A word used for the act of sexual copulation by those uncomfortable using the words come/cum, climax, or orgasm... and I guess copulate too.

Co-created by Matt and Marc during a game of pickleball, the phrase is used to let someone know that they should get there. The past tense "got there" can also be used.

-to get there
-to doositup
-to rossit
-to be listening to chirtechreepointchree radio station

(mostly used alongside hand action like your fingering the air with middle finger)

The verb GET is a synonym for to obtain. Right.
To GET GET would therefore mean to OBTAIN OBTAIN.
Now the verb GET GET is a slightly downgraded, less elderly offensive, and actively 007ish combination for GETTING SOMEONE or even, with the appropriate low rise intonation, GETTING LAID.

Now spread the gospel (when you're not get getting, that goes without saying.)

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.

Phrase encouraging whomever is listening to go ahead and move forward, doing whatever it is one is talking of doing without haste.