To take a knife, and poke something with it until they stop moving.

To use one's bonafied penis as a knife and pelvic thrust it into objects of affection.

DJ technique - the result is a "hit" sound. It works best with a brass chord sample.

In parallel he bumps the record forward and opens the crossfader for a split second, which sounds like a short hard note.

To insert and remove a penis and/or any other object from a female vagina repeatedly in a fairy quick fashion over and over as if being "stabbed" with a knife or other sharp object multiple tines in rapid succession.

to bang a girl

referring to things or events that are overly cool or awesome.

to fuck over someone, an intentional or sometimes unintentional slip of the tongue, or the person performing the stab