What is Thumb Butter?
1.
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!
See
Random Words:
1.
One whos penis is a quarter inch... usally used as a diragatory twards that rather small penis
your boyfriend has a quarter inch killer..