scroach knot Share definition Flag When the back of your hair is in a messed up knot due to hot and steamy sex. I know Susan had sex last night because she has a huge scroach knot on the back of her head! scroach knot by Buddhagirl October 3, 2017 0 0 Get merch Get the scroach knot mug. Buy Now — $32.95 See more merch