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A female who is not Caucasian, and strictly has sexual intercourse with white males. Furthermore a Twinkie tunnel can be mostly found paying their bills on time and abiding by all laws. Also know as a Cracker Smacker.

A Twinkie Tunnel Thrives on Finding as many Twinkies to put in their tunnels.
"Rhonda is such a Twinkie tunnel! She only dates White guys!"

"I wish Tamika and Darniesha would stop checking out my Boyfriend she is such a Twinkie tunnel!"

"Hey Alicia Gomez is dating another white guy! She is a total Cracker smacker!"
by QC72 December 01, 2010
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