Definitions by friendlypie

tuppin 

Somebody who really gets under your skin for being really annoying in a smart-aleck-ish way and/or being too realistic.

Bob: There are 9 planets in the solar system.

Tuppin: Actually, there are 8. Pluto is not a planet.
(borrowed from theoatmeal.com)

tuppin by friendlypie June 6, 2011