Top Definition
Simply-put: The slang difinition for a long and painful shit.
"Where were you man?"
"Oh, I'm sorry, I had to take a cool sharp one."
by Remtorik September 18, 2006
1 more definition
a sudden but unnoticed exit.
orig. Harp Lager TV ads.
"My missus came in the pub the other night, when i'd said i was working late... a cool sharp one, mate!"
by edjog October 08, 2005

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