1 definition by CEMPH

Top Definition
Like a bromance and a sismance but with a boy and a girl that have a awesome relationship but not in the relationship way.
Person 1 : WHOA did you see Bob and Becky?

Person 2: I KNOW!! They wont stop hanging out they totally have a brosismance.
#bromance #sismance #friendship #boy #girl
by CEMPH April 05, 2011
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