1 definition by lazycouchpotato7

Top Definition
insertion of a finger into the anus whilst "jackin it"
"jeff likes to finger bum wank (FBW) with himself"
by lazycouchpotato7 June 20, 2006

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug