mupbag

a person who is acting in an obnoxious manner, or is undesirable, this person really grinds your fucking gears.

Bob - "you see that girl ally last night? she was acting wild"

Jim - "yeah bro, she's a real fuckin mupbag"

Tom - "yo that kid Jeff jipped me on a dime bag"

Lisa - "yeah, he's a real mupbag like that"

by sb7733 January 17, 2017

mudbag

The unfortunate result of a turd exiting the anus at an odd angle and scraping against the scrotum as it drops into the toilet.

I thought I'd cleaned my mudbag pretty well but the skid marks in my skivvies suggest otherwise.

by DudleyDoWrong September 2, 2011

mubbage

Derogitary term used to insult when someone is silenced by a statement or action in conjunction with the insult of having slept with their mom.

steven:i slept with dad last night scott
scott: but then that would make you gay...
boab(to steven): HA HA! mubbage!

by flangy June 8, 2005