What is Knifer / Kniver?
1.
A person (usually one of your friends) that says they will do something with you, but then "stabs you in the back" and goes and does something else. (A "cunt kniver" is someone who will do this frequently with their girlfriend).
When someone you made plans with disappears and becomes a Knifer / Kniver
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1.
The meanest gang in Bolton, Ontario.
Responsible for 45% of the crime in that area.
Oh shit! It's the South Side 'Hoods comi..