Jerkin' it 

Taking the third derivative of position as a function of time.

Person 1: Hey have you done the calculus homework yet?
Person 2: Not yet, I am currently jerkin' it though.
Person 1: Dude wtf, I don't need to know that
Person 2: Huh, its problem 3. We must solve for the third time derivative of thr given position function.

Jerkin' it by YeastInfectedGrandpa April 6, 2025

jerkin' it 

When you take the fourth time derivative of position.

Jake: Did you finish the physics homework?
Paul: Yeah I was jerkin' it all night long

jerkin' it by anonymous April 11, 2025

jerkin it 

masterbating

im gonna go jerk it

jerkin it by kozz May 15, 2003

jerkin it 

rubbing your dick intensely.
in other words...choking the chicken,beat yo meat,wackin off

Follow these steps:
1) Close your eyes
2) Bite your lips
3) Now pretend your rolling dice

jerkin it by J 0 K A January 19, 2005

jerkin it 

When a group of kids sit around and do nothing but chill and sometimes hit the bong

Jake: Dude what are you doing right now?
Patrick: dude I'm just jerkin it
Jake: you are what?!? Dude that's gross
Patrick: nah dog I just sitting here doing nothing you freak

jerkin it by newporthunny6 January 12, 2009

jerkin it old school 

Masturbating/jerking off to porno magazines as opposed to videos and pictures from the internet.

Dude #1 - Whatcha doin?

Dude #2 - I'm jerkin it old school!

Dude #1 - Huh???!!!

Dude #2 - My internet connection is down so I'm jerking off to my Dad's old stash of porno mags instead!

jerkin it old school by Tehtonster March 11, 2011

Pseudo Jerkin It 

Another name for the air jerk, or simulating masturbation while fully clothed to annoy others or let them know you don’t care.

Man 1: My daughter is going to be the lead in the elementary school production of cats.

Man 2: (begins pseudo jerkin it)

Man 1: That's how I feel about it too.

Pseudo Jerkin It by I got you back July 12, 2009