when you moon someone with ur buttcheeks stretched appart so that your victim stares right into the hole or "eye". if two people do it its a two eyed monster, if three, its a 3 eyed monster, so on...
also it could mean a penis
also it could mean a penis
by Flump August 21, 2006
 Get the one eyed monstermug.
Get the one eyed monstermug. When a person pulls down his/her pants and moons one or more people in a fashion that requires the person to use their hands to spred their buttcheeks apart and show their furry, brown asshole. This can be converted into two-eyed monsters, three-eyed, or as many eyes as you can find.
by Jörg December 13, 2006
 Get the One-eyed Monstermug.
Get the One-eyed Monstermug. To jerk off, masterbate, relieve yourself sexually, jerk it till you cant work it, putting on some vaseline and greko-roman wrestling your penis
by A2K February 18, 2003
 Get the wrestling the one eyed monstermug.
Get the wrestling the one eyed monstermug. by merryprankster1963 March 12, 2007
 Get the one eyed monster wormmug.
Get the one eyed monster wormmug. by Thach October 26, 2004
 Get the feeding the one eyed monstermug.
Get the feeding the one eyed monstermug. by berty68 October 1, 2008
 Get the One Eyed Snake Monstermug.
Get the One Eyed Snake Monstermug. A disturbing creature that sneaks up on someone, calls there name and simply stares. (an attack from one can cause paralysis)
by NinjaGangsta September 2, 2010
 Get the One Eyed Sea Monstermug.
Get the One Eyed Sea Monstermug.