Top definition
A girl who goes over the top as a service to her favorite person/thing.
"Did you see that fangirl at the anime convention? She had on this gay Naruto costume.
by Atomisk March 11, 2005
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