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1.
a girl with a fat vagina.
Dang, you can see your beefy taco in those jeans.
by Jennabeaker February 23, 2010
 
2.
When women has a very hairy gouch or aka vagina she is refered to as a BEEFY TACO.
"Damn i got her in bed and she had a beefy taco"
by Donthatemehatemyswag December 12, 2011