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.
super uber trippy sort of bird which refuses to move it's tiny little head no matter what you to do it...try running it over with y..