1 definition by SenseiBLC

Top Definition
When two men spend lots of time toghether doing manly things in order to find their inner selves. It can also be used an insult to someone who's a very immature bro.
Joey and I were watching Jersey Shore and then talked about it after, just bro-ing up"

God Frank, it was nacho night and you already ate! Bro-up!
by SenseiBLC June 07, 2011

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