Double Secret Stranger

When two dudes adjacent to each other numb their own hands with the objective of giving themselves a stranger. However, each dude mistakenly grabs each others' penis and proceed to perform the stranger on the other person while believing they are performing said act on themselves, erstwhile they are performing the double stranger on each other.

John and Bob got completely wasted, crashed on the futon next to each other with the intention of performing a stranger. However, they were so fucked up that they ended up performing a double secret stranger.