Jackinqin 

They have a massive fucking cock. They are also incredibly tall and good looking and make everyone in the room laugh at all times 😌

Holy fuck jackinqin why are you so hot? I love what you did with your hair hun? You grow it out?

Jackinqin by Jackinqin July 1, 2021

jackanine 

When a jackass pulls an asinine move.

the very act of his arrival, after having allienated everyone, was just jackanine.

jackanine by NKBrat March 7, 2008

Jacknifing 

When a man has an orgasm while his penis is semi-erect.

"Man, I was so sexed-up last night - I started jacknifing the second she put her lips on my cock".

Jacknifing by Wobberino September 28, 2005

jackinini

fat annoying person ((made up by ned flanders from the simpsons))

Homer:YOU HAVE TO MOW MY LAWN IN YOUR WIFE'S SUNDAY DRESS!!!
Ned:YOU GOT YOURSELF A DEAL YOU JACKININI!

jackinini by sam tonge October 7, 2008

jackinitis 

A chronic, painful condition affecting one or both wrists, caused by the repetitious motions of masturbation

Man, my wife ain't put out in months, and my wrist hurts so bad, I swear I've got jackinitis!

jackinitis by KarmaMom June 26, 2019

Jacknifing 

When a hammock is set up taller than it is wide.

Wow, that person is jacknifing in their hammock like no one's business.

I mean, I've seen people jacknifing at a 90 degree angle before, but that person is jacknifing at an impressive 20 degrees.

Jacknifing by katgumball May 23, 2016

jackaninny

Massachusetts drivers who have no right to have a drivers' license, usually preceded by various 4 letter words

look at that bleepin' jackaninny who just blew by doing 90 in a 55

jackaninny by wordlover81 February 7, 2010