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5.
punishment doled out to friends and enemies alike for the crime of being a wuss or ignoramus. the stab-ee receives a stiff thumb jabbed into the ribcage while the stabber yells 'shiv!', pantomiming the act of brandishing a makeshift blade fashioned from a prisonhouse toothbrush.
you: "shiv!"
your wussy friend: "ow! my wussy ribs!"
by laurosaur March 23, 2005
 
1.
1) Slang for a knife or any other small cutting/stabbing weapon, often homemade; think inmates with sharpened toothbrushes.
2) The act of utilising the aforementioned small cutting/stabbing weapon to cut/stab someone.
"I'ma shiv you, bitch!"
by Daemon July 27, 2002
 
2.
A Home Made Knife made out of Anything but metal. Not to be confused with a Shank (a home made knife made of metal).

Shivs are usually made of Glass, Wood, or Scrap Plastic

Shived- To be stabbed by a Shiv
"I heard that Guy from Cell block B was coming to Shank me... He'll be surprised when I've got my Shiv deep in his Lungs"
by Immortal-Jake May 03, 2006
 
3.
A shiv is a weapon made out of an commonplace object often in prison, also perhaps the origin of which is as a acronym a Self Honed Implement of Violence (SHIV).
A shiv could be a sharpened toothbrush made into a knife.
by Sarah Green January 27, 2006
 
4.
Shivs Possibly the most frequently used word in trendy Montreal kids' vocabulary. “Shivs” can be used to describe most situations in life. A person can be shivs, a place can be shivs, a situation can shivs, hell even life itself can be shivs sometimes. Synonyms include: sketchy, socially awkward, annoying, and weird.
Girl 1: Did Nick just pick up that dirty hobo's boxers?

Girl 2: Shivs.

Girl 1: I went to that craziest party ever last night, I got there and fifteen minutes later the cops busted it!

Girl 2: Shivs.

Girl 1: I just bought the new Miley Cyrus album!

Girl 2: you is shivs.

by cynder January 12, 2009
 
6.
A rowdy, street-smart playboy. Has anger management issues. Shivs are normally the type of people who seem a bit phony and fake at first, but once u get to know them u wanna stay with them. Beware though. A shiv will probably ditch u the moment he finds something Better.
Remember that punk at the bar?? He was totally a shiv! The way he tried to chat us up!
by KingOfAwesomeness November 22, 2013
 
7.
It another type of move with a knife. Shanking is stabing. SHIVING is slashing or cutting.
Give me your money or i will Shiv you.
by bob god July 11, 2011