The expression for what you do with your buttcheeks when you need to really need to hold in your fart. Called "nutcracking" because you clench your cheeks so tightly that you could crack a walnut (or some other kind of nut) in between them.
Oh man, I'm totally nutcracking it right now!
โดย Twin D-hoo 01 มิถุนายน 2010
the pair of circular objects between the legs being slammed, jagged, slaughtered, bruised and mistreated by a crazy somewhat ratchet female
"That hoe nut cracking the shit out his....dayuuum"
โดย Kayla young 05 กุมภาพันธ์ 2014