When you have take a shit and have no toilet paper, you slap the water, and then slap your asshole to clean it.
Bro! Kyle ran out of TP and had to indian slap!
When you Fuck a girl on her period, thus getting blood on your dick, then mushroom stamping her forehead. Leaving a red mushroom, like the atomic bombs.
Dude, you should have seen it, last night I did The Hiroshaki on Alissa!