the definition of plasm is when u get into a relationship just for sex thus the word plan and orgasm come into play u plan to orgasm and leave
by Fraugustus August 30, 2019
Watch out for that Man Plasm on the floor, dad is having a mid-life crisis and just leaves it anywhere
by Minge Broker April 8, 2009
Man-o-plasm refers to a 'load' of very viscous, cloudy white semen that is ejaculated from a man's wanger upon orgasm. It is named 'man-o-plasm' as it resembles the eerie substance that ghostly apparitions are said to leave behind (made famous in the movie Ghostbusters).
See also: rectoplasm
See also: rectoplasm
Egon: there were definitely ghosts here Peter, look, there's some ectoplasm in the corner...
Peter: Egon, you fuck, that isn't ectoplasm.. Ray was over in that corner there earlier with a copy of Hustler.
Egon: shit, then it's just a load of man-o-plasm. Goddamn Ray, you filthy cunt.
Ray: Aw christ, WHAT NOW?!?
Peter: Egon, you fuck, that isn't ectoplasm.. Ray was over in that corner there earlier with a copy of Hustler.
Egon: shit, then it's just a load of man-o-plasm. Goddamn Ray, you filthy cunt.
Ray: Aw christ, WHAT NOW?!?
by MirrorriM May 19, 2007
The act of smoking some form of narcotic ie. a bong rip, followed by the secretion of a flem or vomit like substance uncontrollably from the oral cavity and/or nose.
Dominic hit his pipe and ran to the bathroom, unfortunately not before he plasm spasmed all over my room.
by Brian G Sexton August 22, 2014