Verb. To bite incompletely through your food causing a piece of that food to drop onto your chin while the remainder of the food is still in the mouth.
a freeloading shitbird who drinks too much, sleeps on the couch and slurps his ramen noodles
Joe: wtf is wrong with pat man? all he does is sit on the couch all day eating ramen kevin: yeah dudes a slurple roost im about to kick his ass to the curb