Top definition
a person who is overly obscessed with the sport of triathlon.
Jeff is wearing a heart rate monitor and bike shorts in the pool, what a tri-geek.
by Wendy February 11, 2004
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