1 definition by davethecooler

Top Definition
A cooler is a person who is a nark, or negative person particulary in relation to gambling or punting.

A Cooler is also a name for a pessimistic person who enjoys watching people or events fail.
Person 1 "I Just put $100 bucks on Titans to win the game"

Person 2 "The Titans can't possibly win this game"

Person 1 " Thanks alot Cooler, You just Cooled the bet"
by davethecooler April 28, 2013

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