A sexual senario, its background pertaining to the fact that the african american comedian Bill Cosby used to advertise jello. "A Cosby" is where a girl sucks a man's dick, with jello in her mouth as well.
"Dude your girlfriend gave me a cosby yesterday"
A new word by Matt E, aka bloodmatrix (see: bloodmatrix).
copyright © Matt E, bloodmatrix, all rights reserved.
This word is used as a typo for "bookmarks", such as internet bookmarks.
"Do you have any good boobmarked sites for pr0n?"
BloodMatrix is a graphic design guru, web design extrordinaire, etc. He resides in California, USA. His reputation for outstanding web-design abilities is well known among his online hangouts and has spread exponentially.
His site is www.bloodmatrix.net
"Seen any of BloodMatrix's gfx? He is a god"