One who slashes the cock of men with but not limited to teeth, nails, blades, braces, and barbed wire.
Jen was such a cock slasher last night!!

Your dog has quite the cock slashers(teeth).

by Noah m.n.j January 14, 2008
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Any song sung at a Karaoke show that's so depressing it makes the crowd want to slash their @#&*%$! wrists, especially if it follows a fast, happy, crowd-pumping song. A wrist-slasher has the potential to suck all the momentum and happiness out of an otherwise hopping, jovial, drink-buying Karaoke crowd, and usually sends half of the patrons out the door.
Joe just sang "Late in the Evening" by Paul Simon, and now Marc is singing "Whiskey Lullabye!?" Who the Hell wants to hear that wrist-slasher!? C'mon, let's pay our tab and let's go!
by Gregory Pius June 4, 2011
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When you masturbate into a thanksgiving turkey and present it to the family for dinner.
Joe: Bro I gotta finish real quick.
Tyler: Alright finish in the turkey so we can have The Thanksgiving Slasher for dinner.
Joe: Right on bro!
by McHoagieNutter October 13, 2015
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Someone who is attracted to serial killers, and/ or would f**k them. They may also be considered a Simp for the serial killers or have a knife kink.

Ex: Micheal Myers, Ghostface, Freddie Krueger.
Did you hear about Vanessa, she’s attracted to Michael Myers. She’s a total slasher slut!!!
by Mental_Midnight19 December 12, 2021
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A professional wrestler who acheived success in the early 21st century as the frontman for the Glam Band 'Thrust'.
I watched Sebastian Slasher and realized how awesome hair spray, mullet's, makeup, and two men screaming into a single microphone can be...
by Sebastian Slasher June 7, 2007
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