Even though I had not shaved in weeks, she seemed to really enjoy tonguing my scass while she gave me a handjob.
Chris Griffin referencing his scass indirectly (Season 6 / Episode 12: - Long John Peter): "you'll see my scrotum and see that it has a seam on it and then you'll think I'm made up of two different guys that were sewn together, 'cause that's what I think happened and..."
Derived from scissoring; a form of non-penetrative sex in which a couple 'scissors' their legs together to simultaneously stimulate each other's anus'.
You're taint hairtickled my high inner thigh when we were scassoring last night.