Mexican Clam Taco Share definition Flag When you puke inside a girls vagina, and then procede to have sex with her. "I totatly made her into a Mexican Clam Taco last night". Mexican Clam Taco by kenny316 January 15, 2009 0 0 Get merch Get the Mexican Clam Taco mug. Buy Now — $32.95 See more merch