What is Bum Monster?
1.
When a girl wears really tight trousers or jogging bottoms that ride up the crack of their ass. Women of a larger frame are more likely to be visited by the Bum Monster. In extreme cases the whole of the garment can be sucked up into the body.
My god check out that fat birds ass
Yeah she's been visited by the Bum Monster
See
Random Words:
1.
a person who finds the need to blow you off for a person of higher social status than you
RF: Yo we were supposed to go chill with this..