White-hat

A person who is a hacker, who uses his skills and knowledge to explore and report weaknesses for the good of everyone.

White-hats are good people.

by Azrael January 27, 2004

Red hat

a type of Linux server

Red Hat Linux v5

by James Carpenter March 19, 2003

under the hat

The act of making out

-Did you see those two making out?
-Yeah, they were totally going under the hat.

by cc911 December 23, 2008

Hat Job

When a girl takes the backwards hat worn by a frat bro and rubs it on his penis, using the brim as a nozzle to aim is cum.

-Dude she just gave CJ a dirty hat job!
-Aw man his dick must be swollen to a pulp!

by p-gizzle April 20, 2010

farmers hat

The crown of the penis

Well my darling, the pies can wait. My Farmers Hat is throbbing like Tom Cruise at a Scientology rave.

by rusty tom September 28, 2006

Napoleon's Hat

A man vaginally penetrates one woman while orally performing upon a second woman. The two women engage in sexplay from the waist up.

"That guys loves to wear Napoleon's Hat with as many ladies as possible"

by DeadlyDave June 11, 2006

drinking hat

A hat, either literal or figurative, worn for a night of drinking. Physical drinking hats can have meaning in parties or drinking games, while a figurative drinking hat is more used to describe the mood.

Hope you boys brought your drinking hats, cause it's gonna be a long night.

by Philly's Finest July 24, 2008