1 definition by Tony J.

The voice that underage boys use when trying to purchase anything illegal to them. It is attempted to be a deep and gruff voice.
Jake: Hey I was going to try and buy some beer....but I'm only 17.
Tony:Just use your big boy voice and you'll be fine.
Jake: Oh yeah, MY BIG BOY VOICE!
by Tony J. November 24, 2007
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