A "Gringa" is a class of Mexican 'Taco' (food). Is a "tortilla" of flour with bistek or any another class of meat (carnaza, "al pastor", tripa, lengua, etc) and a lot of cheese of "adobera" with coriander and onion stung. they are done with 'tortilla' of corn too. Here in Jalisco is very common to eat "Gringas".
Hey Rafa yo quiero dos gringas de bistek y una gringa de "al pastor"
Hey Rafa I want two gringas with bistek and one gringa "al pastor"