A clean piece of cloth that started life as a face cloth but was relegated to use with the nether regions and as such, does not deserve the moniker of face cloth.
Used in communal bathing events like among young siblings.
Don't mix up the face cloth and the bum cloth.
When a bird has boobs that are so big, it looks like she has a bum on her chest.
Lad 1:' Fook me son look at the size of those bad boys'
lad 2; 'holy shit, they so big they loook like a bum'
Lad 1: 'thats classic chest bum material'
When a woman lets a man cum in her ass. Like the meme about toaster strudel and twinkies where as a strudel he cums ON you and as a twinkie he cums in you, just in your ass.
My GF isnt on birth control so she's only a bum twinkie.
-"Are u saying i did this?"
-"Well if the bum jangles!"
A smelly kid in everyone's Middle, Junior High, or High School who was always had greasy hair, smelled from about a block away and was always seen wearing a Metallica, Ozzy, Def Leppard, Pink Floyd, Led Zeppelin, Whitesnake, Poison, Deep Purple or other T-Shirt of the like. Typically wearing it for one week straight at the least.
Fox: You remember Matt Sanders, right?
Aaron: Who that Bum Rocker?
Myles: Yeah, the waste of time?
Fox: Yeah, well he's a total Otaku now.
Myles: Ugh! Don't remind me!
A round plump rump that's juicier than a glass of OJ.
Damn, that sucks like water Gage Bum.
It's plumpier than OJ.