A McMierda is basically a McDonald's breakfast "burrito". Well THEIR definition of a burrito.
Mierda is Spanish for shit. Mostly used by Chicanos.
Mierda is Spanish for shit. Mostly used by Chicanos.
George Lopez (de Tall, brown, y Chicano):
Would you like to try our McCaca? Or how about our McMierda?
Would you like to try our McCaca? Or how about our McMierda?
by payasita February 19, 2011
Get the mcmierdamug.