flat-rocking

urinating with great volume, producing a considerable splash and sound.

Did you hear the one in the stall next to me...Girl, she was flat-rocking like you would not believe! I said, "Whoa, trigger, give someone else a chance here."

by flyingdog January 20, 2008

flatcocking

(noun) Slang term used to describe lesbian sex.

Shitpants and her friend there have been flatcocking for so long, they are starting to look alike.

by Dave Brorsen February 23, 2006