1 definition by cooldude111

Top Definition
An expression used to show a lack of interest in someone's comment or opinion. Used in a sarcastic sense to emphasize that you don't care.
Dave:
"I lost my virginity today!"

Steve:
"Cool dude"

Dave:
...
by cooldude111 January 22, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug