Top definition
When you subtract an F,he goes from being your Best Friend Forever to being your BoyFriend.

BFF-F=BF
I've been thinking about subtracting an F with eddie for a long time, but I don't want to ruin our friendship.
by Coralynn May 17, 2007
Mug icon

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

Alphabetical list