When a man 'marks his territory' by shooting his sperm all over something and/or someone.
Rion semenized Pete's donkey last night
by Lil T January 17, 2005
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Semen is a part of a government plot to get rid of America's excess toothpaste and pine fresh by mixing them together, calling the mixture "semen", and spreading it over most of our consumer's food, primarily in school cafeterias. The result is a tasty lard/egg-white substitute, however, too much semen consumption (usually in males) may lead to a build-up in the excretory system (our kidneys, bladder, etc...) and may be ejaculated upon stimulation with pumping, pulling, rubbing, and other painful procedures.

The ejaculation of this "semen" is mandatory to remain healthy or side effects may occur, including but not limited to: loneliness, nerdiness, explosion in the urethrea, and/or constipation.

Why some females choose to consume the fluid is probably to clean their teeth (toothpaste) or freshen their breath (pine fresh)
Today I got rid of my excess semen because urban dictionary told me to
by Terry Toledo February 27, 2009
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To ejaculate outside of a sexual encounter; Without cause or arousal.
Ryan is going to semenate on your forehead.
by Ryan Noury January 17, 2008
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cum, white sticky liquid that comes from the penis.
He jacked off so much, that he finally ejaculated semen all over himself
by JizzymyWIZZY September 16, 2006
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white,hot,sticky yet yummy cum! composed of sperm cells which i often swallow during every intercourse!it is also a good source of vitamins and mineral which can make you look younger and attractive. best in making facial foam. it cures acne in 2 weeks
my boyfriend's cum is so delicious cuz it tasted like cherry fruit. i just love the scent!!!sometimes, i'm using it in my face to make it soft and supple.
by jessica February 25, 2005
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Fluid containing sperm.Translucent, sticky stuff which smells of ammonia or pine fresh.When ejaculated it is warm but soon turns cold and will dry quickly.
sprogspawn that smells
by JK March 7, 2004
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The act of secreating or shooting of semen.
She screamed loudly while I was semening causing a misfire, leaving her leg and my sheet a mess.
by semening July 20, 2006
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