During intercourse when a male both ejaculates and rips ass at the same time. Truly one of the bestfeelings of all time although it may lead to you being single.
One night, after Alexis having a few too many margaritas and forgetting to get the lube, James went to put it in the butt and it was an epic squeakin cheekin.
When a young man coppulating with a young lady on a beach decides to pull out and dip his love wand into the sand only to return his member into her fruitful passage leaving the poor unfortunate female squawking like a seagull.