SpongeBob SquarePants Hash Slinging Slasher Heavyweight T-Shirt Lights flickered on and off. Phone rang with nobody there. Ghost bus arrived. It's the sash wringing-- the trash thinging-- mash flinging-- the Hash Slinging Slasher! This heavyweight SpongeBob SquarePants tee depicts the terrifying "Graveyard Shift" episode featuring Squidward's iconic ghost story.