- noun Vulgar
1. A roomate who deserves recognition for undesirable showcase of character and/or behavior
2 a. A stupid, mean, or contemptible person b. one who takes part in, or suggests jibbing of ass
3. stupid, mean, or contemptible
the act of grinding or jibbing (like in boardsports) on someones ass
"You were insane at the party last night, every one thinks you are an assjibb now."
"That guy would have gotten away with it too, if he weren't an assjibb"
"Dude you totally ass-jibbed that chick at the club the other night!"