Someone who is being either annoying, inappropriate, or an asshole.
Suck vage, you're being a buttmonster.
3.
buttmonster
1.
Butt monster
An alternate name for a demon (or "pinky demon") in ID Software's original Doom game series.
Blood and viscera flew everywhere when I attacked the group of butt monsters with my chainsaw.
2.
Butt Monster
An oversized 'butt plug'. See 'Butt Plug'
You, me, the Butt Monster. Saturday night. Be prepared
4.
butt monster
somone who loves it in the butt.
David: "Chris.......no matter what, you always seem to have sex with that chick in the butt."
Chris: "I know dude, that's why we call her the butt monster!
Chris: "I know dude, that's why we call her the butt monster!
