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!
God Frank, it was nacho night and you already ate! Bro-up!
by SenseiBLC November 28, 2011
Get the Bro-ing Upmug.