Knoof
Knoof, or Kn00f may refer to:

A combination spoon and knife that is particularly suited to preparing peanut-butter and jelly sandwiches.

-or-

A derogatory slang term that can refer to sexual acts, domination, or destruction.
I used a knoof to eat my dinner.

I used a knoof to eat your mother.

I was totally kn00fed by the other players in COD last night.

I walked in on them knoofing.