when one takes a poop within 15 minutes of consuming a pre workout supplement containing more than 4grams of the amino acid beta alanine. the parasthesia caused by the beta alanine makes the participant feel as though they are pooping out a cactus
by eat more pies May 26, 2015
Black cactus is a crazy killing machine that destroys everything in its path. Except Popsicle sticks 🌵
by Beg4Hegg January 22, 2015
by Hitler's cat April 30, 2009
A prickly, fiery burning in the rectal cavity during the act of defecation, as though one were passing a cactus through the colon.
by Dodger of Zion November 16, 2010
When you do something so undersireable it's akin to sitting, bare assed, on a spiky plant (typically a cactus).
I sat on the cactus last night trying to catch up on the book. OR I was sitting on the cactus for 3 hours trying to finish that movie.
by S.O.K March 07, 2009
When pubic hair reaches a thickness and length so that it pokes through the material of underwear, obviously more apparent in females.
Most often the result of not shaving/waxing for a while.
Most often the result of not shaving/waxing for a while.
I hooked up with Jenny on the weekend, but dude you shoulda seen the panty cactus! I told her to shave then come back.
by Faff October 12, 2007
When the hair on your ball-sac starts growing back several days after shaving it, usually causing itching and irritation.
by benzo11 November 14, 2006