Jass is basically park jongseong/jay’s ass for short, this slang exists to show appreciation for jay’s scrumptious, outstanding, giant, ginormous, big booty😂
me: “i love jass..”
society: “ we do to!”
by tayoed December 19, 2021
Get the Jass mug.
Jensen Ackles' glorious ass. Famous for the "Ackles Ass Equation," an actual formula describing the curvature of his booty. Also notable for pairing with the Jitties in The Boys.
Check out that Jass. y=-(sin(x^1.7/6+4)+(1/x))+10
by Jak6841 May 2, 2023
Get the Jass mug.
grl,s name! or young women, who to, we can,t trust, for other under estimated names which are subordinate names too: It,s a real global talk. By that, grl,s(what are they!?!) can,t become rude any thing else!!!
-I taught o when he taught to me:Jass
-You punished her.
-Yes, I said it, cause she was rude and tutoring,screwing me up, better girls of yesterdays, had better names, she is a finch now, better!
by bad,good? August 6, 2019
Get the Jass mug.
Jass is a term found in early newspaper articles regarding how Baseball pitchers threw the ball. If the ball had "movement" or "something extra" on it it was said to be thrown with "Jass".
He threw the pitch with a lot of jass on it.
by Crash Nash October 6, 2019
Get the Jass mug.
Jensen Ackles's ass.

Used for the scenes of Jensen as soldier boy specifically on episode 3x04
I am gonna protect that Jass all my life
I am here for the jass
by J2protsquad June 10, 2022
Get the JASS mug.
Look at her jass, i would like to smash it.
by fecl November 6, 2022
Get the jass mug.
(verb) To be a nasty fuck ''the good kind''
It is a word used to describe either one or both participants in a bromansexual relationship.
synonym: Ya'llNastyBois
Whoah where is this shining light coming from? Its Jass's Bald head trying to lure in his next victem!
My poop was nice and solid today! jass stfu u nasty fuck
by kankerzemel February 29, 2020
Get the Jass mug.