the greasy, dirty buildup of dirt and oil under boobs and between the rolls of fat ppl. especailly when they don't shower.
by jay May 31, 2003

by LindowLove July 23, 2007

by Quackalishus March 21, 2004

by teamboo July 25, 2006

Noun, the slimy substance that seeps out from between the fingers of a closed fist after a person has ejaculated in their own hand.
by Bentrok May 9, 2006

When your wiping yourself and your thumb accidentally breaks through the toilet paper and gets "dirty".
Dude! I dropped the kids off at the pool last night and got covered in thumb butter when I was wiping with that cheap paper my wife buys!
Awww man that is the worse!
Awww man that is the worse!
by minuccp May 1, 2009

noun - a person that has let their dental hygiene slip into a downward spiral creating yellowing of the enamel.
by HM December 17, 2003
