Parts of the female human body that contain the organs that secrete milk used to feed infants. See boobs, tits, tatas.
"Ever notice that Jessica Simpson has a great set of schmeebs?"
Another word for man boobies. They can be large, in which case a wedgie may form underneath the schmeeb. Or in muscular men, the schmeebs are chiseled and glorified.
Man, did you see the schmeebs on that guy?