Top Definition
i miss my baby or boo
damn, immb
by sofaking5 August 28, 2010
1 more definition
a) normally stands for " I miss my baby or boo "

b) a new and improved acronym for 'in my morality book', i.e. morally speaking, according to me.
a girl comes home from school during a rainstorm, and starts screaming,

"yoohoo, parents, get my dinner ready, I'm going to a friend's house later.

father, from the living room: young lady, i.m.m.b I won't stand for it. Kodem koll, take off your raincoat, shower so you don't schwitz cuhm a chaizer, then, comme du monde, improve your vocabulary.
by Sexydimma November 30, 2014

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