Gringa is the spanish definition for a
white female usually used for english speaking persons,
it doesn't matter if she is american, italian, french
or whatever as long as she is white and speaks any other language different from spanish.
Jose: mira wey que buena esta esa pinche
gringa carnal.
Juan: si cabron pero es
bien puta la pinche
guera.
Jose: ha de estar mas jodida que la Britney Spears.