Half Rat Power 

Putting in a less than average effort in a physical activity

"Coxy, stop going half rat power and attack the ball"

Half Rat Power by freshmaker and cdog October 16, 2008

Half-Windsor Knot

Noun: When your balls feel like they are twisted after getting off of a plane and paired with jet lag. Can also happen after a long road trip, and your legs fall asleep in your car.

After that long-ass plane ride to Australia, my nuts were twisted into a Half-Windsor Knot

Half-Windsor Knot by Bake'EmAwayToys April 3, 2011

Half-dome 

To “half-dome” is to engage a person of the opposite sex in rigorous activity for an extended period of time thus rendering their legs inoperable and your own appendages exceptionally sore. Normally, this takes around thirteen hours to complete.

I'd half-dome your mom if I had thirteen hours to waste.

Half-dome by I-got-Domed June 29, 2011

half mass 

The act of when a penis is half way erect, he slaps his penis across his partner's face.

when susan received a half mass from her husband, she was furious and bit off his nuts.

half mass by Jen Sing September 4, 2008

Half time

A rent a cop Mall security or any wannabe ass popo mofo.

Cliff said whats up half time to mall security.

Half time by Grimm666 August 12, 2006

half a bad driver 

a person who is half asain, half non asain, and attempts to operate a motor vehicle

Its Ok my half asain freind, you will only be half a bad driver

half a bad driver by rick gibbs November 25, 2003

half horsed 

A female bearing the strong resemblance of a horse

"Dude check out that bitch she's fucking half horsed."

half horsed by Fake Knowledge April 1, 2004