Top Definition
Not That It's Any Of My Business. An acknowledgement that you have no right to be inquiring or commenting about a particular topic; generally used immediately before or after you go ahead and inquire or comment anyway.
"NTIAOMB, but is your brother gay? He seems super-gay. Which I'm totally cool with if he is."

"I heard she got fired for doing blow in the employee bathroom. NTIAOMB."
by antikinetic May 23, 2010

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