When a guy says some outworldly primal shit that can only be construed as an act of machismo.
This guy was telling me of how it's his dream to die in WW3. What kind of boy brain shit is that?
by Mattricide June 12, 2019
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not thinking beyond your dick or your stomach about the impact of your actions on other people
my boyfriend doesn't realize it's our anniversary today. he is suffering from boy brain.
by truthbombdropper March 7, 2014
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