thumbfuck

to insert ones thumb into the anal or vaginal orfice.

i said "thumbfuck", you dumbfuck!

by dj jazzy jeff and the fresh prints January 21, 2004

thumbfucked

To get a thumbs down vote on urban dictionary.

Someone just thumbfucked me on urban dictionary.

by jpg3 July 17, 2011

Thumbfucker

A thumbfucker is a person who is constantly texting on their cell phone.

David called Phillip a thumbfucker as he drove by watching Phillip text on his phone.

by Cagney February 24, 2010

thumbfucking my phone

The hateful practice of text messaging.

I mean, I like the girl, but she's always got me thumbfucking my phone.

by Jan Warren February 5, 2008