When you do something to piss someone off
Yea he ate my burger, he's a Jackass!!!
Jackass - A man whoms't has been left with their anal cavity exploded in, and has proceeded to wonder around without flushing it out
HEY!! There's one of those slutty town drinkers. I bet she has a whopping jackass
A jack ass baby butt that sucks up to all his teachers
Dude, he is such a caleb jackass baby butt
I acted like a jackass on jackass mountain.
Fucking Jackass is Donkey from Shrek.
Shrek:
No, my swamp
Donkey:
Our swamps
Shrek:
Fucking Jackass
One who forces their beliefs down ones throat and will do everything he can to discredit your argument.
See also: Progressive
Person 1: Man, that person is always talking about his beliefs, even when I already said I accept people for who they are. Who would do that?
Person 2: A Political Jackass