While having Happy Love Time with your significant “Brother” In the doggy style position, Slap the back of his head and shove a fistful of sand in his anus and twist and turn until he screams Sandy Cheeks

when you're hungover as shit after a spending a night drunk as a skunk

While having sexual intercourse with your lover, Throw them on their back and shove a fistful of sand up their rectum, until they scream Sandy cheeks and shake and quiver.