Pinch the head off of a grocery snake Share definition Flag Yet another way to say "I have to take a shit".Alternate: Pinch the head off of a dirt snake. Yo, I gotta go pinch the head off of a grocery snake. Pinch the head off of a grocery snake by jake4d April 27, 2010 0 0 Get merch Get the Pinch the head off of a grocery snake mug. Buy Now — $32.95 See more merch