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.
Did he say exactly where he was going?
I asked him but he grinned like an ape and said, “Myob!”
by steevithak April 19, 2017
Get the MYOB mug.
Stop messin thru my papers, D. MYOB.
by asrf October 30, 2003
Get the MYOB mug.
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!
by JonJaques April 6, 2010
Get the MYOB mug.
"Don't be so curios, piss off and myob!"
Get the myob mug.