Mystery Taco: When a woman secretly inserts taco meat into her own vagina prior to sex, creating a delicious surprise for her partner, hopefully to be discovered during cunnilingus.
Mystery Taco: It's what's for dinner!
by Bob the Mighty August 02, 2011
This is the female version of the glory hole. The hidden woman makes her taco mysterious.
I found this truck that serves the best mystery tacos. I go there every lunch break.
by JustyWayne September 29, 2015