Top definition
a fake last name that a select number of people think is real. it can only be thought of when two girls get bored one night and feel the dire need to combine their last names.
WTF?! Fonman isn't a real last name?
by fonman April 10, 2008
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