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.

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 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

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.

shit, because t-9 won't let you type shit and you're too lazy to do it yourself.

Another way to say shit to make people believe you said shit. Because you're just too bad ass to say shit.

a stupid, retarded, slut who thinks shes the shit, always parading around with her tits out. and who has a floppy vagina