a home-made weapon used for CUTTING, not stabbing. a sharpened tooth-brush is not a shiv, that is a shank, which is used for stabbing.
guy 1:"i got cornered on my last day in prison, i was lucky i had my shiv!"
guy 2:"oh sweet! im going to jail soon, how do you make one?"
guy 1:"take a razor blade and a lighter in with you, then melt the blade to your toothbrush."
by cutter-of-stuff December 30, 2010

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shit, because t-9 won't let you type shit and you're too lazy to do it yourself.
In a text message: I'll be right out, I had to deal with some shiv.
by micblic May 25, 2009

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A portmanteau of "make shift" and "knife" (or "knives"), used to describe a homemade weapon made up of objects one would find in a prison that is not metallic.
Hey, grab your shiv and lets shank his ass.
by CaPsi December 06, 2007

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1. knife or blade(noun)

2. stab(verb)

shiv or chiv is English 20th century slang, prob from earlier Thieves' slang "chive" meaning knife, derived from Romany.
He's got a shiv=he's shivved up
she shivved him= she stabbed him
by guttapercha January 21, 2011

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Being stabbed by a prostitue mid-coitus. Simultaneously being stabbed and contracting Veneral Disease.
Luckily, Haines survived being (s)hiv'ed during his lastest Atlantic City bender.
by Sebring February 17, 2009

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Form of punching: To jab through a crowd and to hit the face of a deserving target, by missing the nose and striking the cheek bone.

To shiv properly the target should do a complete spin on their axis.
She needs a good shivving
by WhimsicalMcGee July 15, 2011

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(noun) A person around his early 20's, who has a horrible, self-proclaimed nickname.
Matt: Hey, Steven, what do you think about my sick new nickname?
Steven: What is it?
Matt: (insert corny nickname)
Steven: Comeon man, you're such a shiv.
by Steve_owned February 20, 2012

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