1 definition by GratisTheThird

The sub-atomic particles that connect all "bros". The extra particle is what accounts for all of bro culture. It also allows bros to send messages among each other without having to speak.
"Did you see that chick, bro?"
"Nah man I didn't."
"I was sending you major brotons!"
by GratisTheThird February 9, 2009
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