Oh god, Randy, tuck your fat back in, I can hear it blooshing from all the way across the room! Get the goddamned donut out of your mouth and do a sit-up, for Chrissakes.
A very descriptive expletive for when one sees an incredibly voluptuous woman,i.e., a "woman with a body built for just one thing!". Deriving from the sound made by very large breasts slapping around during intercourse with said woman.