2. someone who has traits of both an ass and a butt
3. used to get someone's attention and piss them off while sounding cool and hilarious to bystanders
4. a word uttered loudly in the presence of authority figures to show your not afraid to break the rules. (because we all know that rules were made to be broken :D)
2.you're such an assbutt!
3. hey assbutt! *throws grenade at pile of TNT next to an asshole's butt*
BOSS: so, I want everyone to put down the drinks-
"Dude, you know those people who say "Irregardless"?
Those guys are such ass-butts"