the acronym for walk of shame, which means going to work in the clothes you were wearing the following day due to excessive partying and/or sleeping somewhere you didn't expect.
Acronym for Waste Of Sperm. A worthless and generally useless individual. Someone who is a waste of genetic material.
W.O.S, or "Waste of Sperm" is usually used in conjunction with "Raul".
Raul is such a W.O.S.
You know that smelly guy Raul? Yea he's a W.O.S.