When your semen fuses two or more objects together.
Throwing a towel on your cum puddle will result in it being semented within a 12 hour period.
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The blockage that is created by dried semen on the tip of your dick after sex.
You wake up at 3:00am to drop a line after dozing off after sex, and the urine gets blocked for a moment by the sement and then bursts out like a geyser (which kinda hurts).
by CiscoKid85 January 14, 2011
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Semen that has dried and become hardened.
I forgot to clean up after ejaculating, and I found sement on my blanket 3 hours later.
by Holy Dinosaur Pussy Eater June 28, 2019
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When you splooge on a girl on any part of her body and she doesnt wash it off in time. It hardens like cement and she cries because her mom sees.
I put sement on trisha's face, and she was very upset when it didn't come off in time for school the next day.
by twitch___ March 10, 2005
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to cum on a girls clothes, then the next day the girl realizes it is all white crunchy and flakey like cement.
Hey is that sement from that guy you blew at the party last night. cum skeet ejaculate head blowjob masturbate pussy vagina penis cock sex fuck tits tigolbities jew booty milk sauce
by jews r' us April 13, 2010
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Spanish/Mexican slang used by mature Latina mamas worldwide to affectionately refer to their well-endowed younger lovers. Literally meaning stud.

Also used for uncastrated male horses charged with breeding the mares
"To forget about mi hijo Juan's debts, his well-endowed weed dealer Victor, offered to own me sexually for a week. We have our second anniversary today and waiting for our first niña pequeña. Amo a mi semental.~"
by BWCVictor June 02, 2021
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The process of an object becoming stiff due to ejaculatory fluids.
After cumming into a sock he kept under his bed, Johnny found it became hard and stiff thanks to sementation.
by SyrupPants November 13, 2014
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