A fork of Rural Dictionary
A horrible messy orgasm involving huge amounts of expelled bodily fluids. Can be done by either male or female.
Peter North doesn't just cum on you, he leaves you with a jizmuck.
She made me so hard, I couldn't help but jizmuck all over her.
I was so embarrassed, I jizmucked all over the bed and ended up sleeping on the couch.
My vibrator makes me jizmuck everytime!