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A phrase relating to an elite Runescape player who trains stats rather than combat, and receives a lot of stick from doing so.
Omfg look at his stats! What a Chessnut! TRAIN COMBAT FFS. BECOME P2P.
by AGftw September 17, 2006
A nerd/geek who enjoys making scripts and playing chess, they also get horny to random people.
Chessnuts are geeky, one of them wanted to marry me.
by Bob_Marly November 05, 2006