Definitions by Marxan-

leedsu 

A slang for the word "nerd" often used by people who have don't have lifes themself, so they call others this nasty name to make themself feel better.

Leedsu: Wow I haven't been on RuneScape in 4 hours, help me!
Anyone with a life: rofl ur such a leedsu l0l

leedsu by Marxan- June 13, 2009