a drug that can seriously mess you up. some say it comes from the eggs shells of turtles from madagacar so that's why it's so hard to get, but others claim it's made by heating up a very rare certain type of fungus, one that when it is heated, takes a form similar to that of the shell of a turtle. taking one turtle shell can greatly increase dopamine uptake in the brain and send the user on an unbelievable trip. there are no known addictive properties, however there can be damaging long-term effects to the brain and CNS.
Man, I did turtle shells last week, and it was the most insane trip I have ever been on...I was absolutely shell-shocked.
by shibton3982 August 12, 2006
The name for the people belonging in the Teenage Mutant Ninja Turtles fandom. They're all frackin' awesome. Yeah.
Person 1: ..And then, Raphael was all like "IT'S FREAKIN ME OUT, MAN" and Donatello was like "WOULD YOU STOP WITH THE THIS" and then--
Person 2: You're one of those shell heads, aren't you?
Person 2: You're one of those shell heads, aren't you?
by Nikkimberly November 04, 2013
The most annoying nickname you can give someone named Shelby or Shelbie. Most of the time it will piss said person off.
by Shelby123456 August 09, 2008
by Earth's Population February 05, 2009
The female version of batwings
When the two vaginal lips are stuck to each leg and spread open like a clam shell
When the two vaginal lips are stuck to each leg and spread open like a clam shell
"dude check out that clam-shell on the chick over there."
"Ugh... Veronica, I can't where short skirts in this heat, I might get a clam-shell."
"Ugh... Veronica, I can't where short skirts in this heat, I might get a clam-shell."
by ryanWILL January 05, 2012
Gamer 1: That guy just killed me and is now Tea Bagging me.
Gamer 2: That's not a guy, its a chick.
Gamer 1: Damn, I've just been Shell Shocked
Gamer 2: That's not a guy, its a chick.
Gamer 1: Damn, I've just been Shell Shocked
by GreasemanLangley January 28, 2010
by jaffaw July 14, 2009