Simply shoveling as much Doritos (any flavor) into your girl of choices vagina, or Anus. Whiping out your pipe and insert into vagina or anus. Whilst continuesly thrusting your hips back and fourth.
Doritos Fuck
Person 1: What did you and that girl do last night.
Person 2: I dorito fucked her all night.
Person 1: Nice man.
Person 2: Yeah we used the whole family size bag.