1# Grossly insenstive, blantant lack of consideration or forethought; social ineptitude.
2# One who is on the verge of being deemed a stark, raving asshole.
2# One who is on the verge of being deemed a stark, raving asshole.
DUDE: uh, I know invited you out for dinner, but I uh...left my wallet at home.
CHICK: Can you pay me later tonight?
DUDE: uh...not all of it, I just paid rent...but at least 10 or 15 bucks...does that mean you're staying over?
CHICK: Dude...Not Cool.
CHICK: Can you pay me later tonight?
DUDE: uh...not all of it, I just paid rent...but at least 10 or 15 bucks...does that mean you're staying over?
CHICK: Dude...Not Cool.
by 415man94102 June 4, 2014
Get the Dude...Not Coolmug. You check your bank account and find you have not been paid.
You reply to yourself " Dude, this aint cool "
You reply to yourself " Dude, this aint cool "
by Max "Chewie" Williams November 26, 2007
Get the Dude, this aint coolmug.