F stands for:
Fila (Line, wait)
Okay, never mess around with this. NEVER. IN YOUR. LIFE.
Fila is when you make a line for different things. To buy a thing, to make a line for a movie, to get out of some place, but the point here is, where you ORDER FOOD.
Mexican people get this TOO serious, like you gotta wait in the line or all gonna stab you in the face.
-Hey, petronilo, look at that chamaco ova' there.
-Oh yea, pedonfilio, he thinks hes the best thing, to cheat in front of us, IN THE SAINT LINE.
-Petronilo, we gotta be justos, we gotta be mexicanos del corazon.
-LETS ALL BRING JUSTICE!
MENSO! WE HAVE A LINE! WE GOTTA PUNCH YOU! GO AWAY! NO ONE LIKES YOU! YOU CHEATER!
And thats how it starts.