sleeping bag slurpee
enclosing a slumbering victim in a sleeping bag, then throwing said bag off a cliff.
things going rough with the ol gf, i got the move for you. ok, so you're sixty-nining your girlfriend - make sure she's in there headfirst - and hurriedly get out and zip her in the bag. then throw the sleeping bag off a cliff, it's the old sleeping bag slurpee. that'll teach her.