MBIYF
MBIYF is the acronym for "my balls in your face".
Jake: I smite thee.
Andrew: Smite MBIYF!
Jake: Eww...
Andrew: Smite MBIYF!
Jake: Eww...
MBIYF
massive boner in your face
Ex 1: shut the fuck up or you'll get a mbiyf.
Ex 2: keep talking dirty to me and get an mbiyf.
Ex 2: keep talking dirty to me and get an mbiyf.