Top Definition
1. A word used during extreme excitement. The word is very similar to "Bossy" but with the only difference of extenuating the "ay" in "Bossay". Term was first created when a group of Penn State University Students went to Kiawah Island, SC in March of 2006/2007/2008/2009

2. Bossay can also be used as a notion of coolness, wealth or gratitude.
She doesn’t want it in the steam shower, she wants it at the beach ... Bossay!

I'm rich as shit, Bossay!!!!
by blupsu August 20, 2009
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