A southern saying, referring to sex, sexuality and sexual perversity. Implications are that of extremes, such as bare backing aka raw dog, group sex, threesomes, rainbow parties, rainbow kisses, money shots, etc.
You're into that freaky dirty dirt shit, huh?
by MC J-Me September 13, 2005
Dirty Dirt is when your pubes are grown out and show out of the top of your shorts or swim suit. Dirty indeed.
by vikingswimmer82 January 05, 2011