purple cobra 

Penis with a large, swollen, purple head due to being constrained in a bondage device. The head (glans penis) turns purple and swells from lack of circulation. While it doesn't flatten like a cobra's hood, the head does swell so it becomes larger similar to a cobra's hood.

He put the cock ring on too tight and now he's got a purple cobra.

purple cobra by Bucko McCane May 19, 2006

Purple cobra 

One who thinks (s)he is cool but in reality is not; ranks above poons and unterpoons

George W. Bush is a purple cobra

Purple cobra by Kingmaker May 16, 2006

purple cobras 

a group of friends and brothers, that optimize the epitome of being cool, pull mad bitches (mad in the sense of hot and a lot), are just all-around chillers/blazers, and have their home lair always labeled "The Pit"

The gang of purple cobras currently attending USC

purple cobras by purplecobra4life November 18, 2009

purple thunder cobras 

Proven by a team of highly trained nuclear physicists to be the greatest band to ever have lived. Bring ladies out of their seats and get naked in under 3 seconds. Truly jizztastic.

Tim: Holy gosh the purple thunder cobras just blew my ear drums out of my ass in a shocking flash of lightning explosionivolcanocho

Led Zeppelin: Ditto

The Beatles: Wow PTC is so much better than us

Beethoven: Grease me up PTC!

purple thunder cobras by randomherochris December 21, 2008