the opposite of so. when a conversation dies, instead of saying so, say os. it will jump the conversation to a new level to keep the flow.
by Will Hamilton March 10, 2004
 Get the osmug.
Get the osmug. by dipsert June 27, 2006
 Get the os²mug.
Get the os²mug. A term used to describe the blackest man alive, it is often used in a positive connotation, used in describing someone with three male genitalia, dark skin, an eight pack, large biceps, and a handsome face as the blackest man alive or an 'OG' this individual is often known for his excellence with women or men, depending on his/her interests
by Machomaney June 14, 2016
 Get the Osemug.
Get the Osemug.  Get the Osemug.
Get the Osemug. An abbreviation for oh shit
"Os! Do you smell baby Sarah? I thought I changed her a few minutes ago."
"Os?"
"I don't wanna cuss in front of the child."
"Os?"
"I don't wanna cuss in front of the child."
by kpbostonianakamrsadams June 22, 2009
 Get the osmug.
Get the osmug. acronym for operating system.  the best one is teh Mac OS, followed by Unix, then Linux and finally Windows (hands down the worst OS on earth)
by teh_applegoddess July 7, 2003
 Get the osmug.
Get the osmug. 