One of your five fingers. That's right! It's a FINGER. The thumb is a finger, so fuck you assholes who say you have four fingers and a thumb!
I'd like to shove my thumb up those people's asses.
small picture online, usually which can be clicked on.
"I love porn thumbs"
the only thing on megan fox that doesnt turn my penis into 3 inches of pure concrete.
oh man i was totally going to spank it to transformers 2, until i saw...the thumbs.
The unattractive and/or short and/or fat person in a group that the others will eventually ditch before the night is over.
Don't worry, we'll lose the thumb before we hit the clubs.
The bump that forms in the zipper of mens' pants that is often mistaken for an erection
Girl: Look at that boner
Guy: It's a thumb goddammit...THUMB I TELL YOU!
What makes us genetically superior.
I have opposable thumbs, so I am better than you.
An expression meaning 'good for you'.
Moron: I killed your mom last night. Uhhuhuhuhuh.