A colloquial initialism for "Mind Your Own Business". The word was coined by science fiction author Eric Frank Russell and first used in his 1951 novella "And Then There Were None..." where it was referred to as "initial slang" by the fictional culture.
by steevithak April 19, 2017

by asrf October 29, 2003

by StreetQueen989 January 13, 2016

by TokyoWard November 05, 2013

Tony: Yo, I heard you and Alexa broke up.
Joe: Yeah, we're kind of just takin' a break.
Tony: So...is she fair game then?
Joe: MYOB!
Joe: Yeah, we're kind of just takin' a break.
Tony: So...is she fair game then?
Joe: MYOB!
by JonJaques April 06, 2010

"Don't be so curios, piss off and myob!"
by Aslan (from Hamburg, Germany) August 04, 2003
