Performing cunnilingus on a woman with a yeast infection.
John: "Whew, you have one zesty taco!"
Jane: "Oh sorry, I forgot my daily swab."
by Big Habeeb June 11, 2008
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The act of taking a crap in a girls vagina and then eating her out
"Dude, it was so nasty she made me use the zesty taco on her."
by Zestyman December 23, 2008
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When you devour a box of Doritos Locos Tacos and don't lick your fingers. Then you finger pop your girlfriends recently contaminated butt hole (She has to have just pinched a loaf).
Tim: Man, after I was finished the 12 pack taco box from Taco Bell, I then threw my hand down my slam-piece's pants and got my cheesy fingers in her recently packed asshole.

Dave: Wait, are trying to tell me you Zesty Taco Finger Popped her?
by Equine Ducklings December 18, 2013
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