When you insert your penis into a cat, tie it to you with rubber bands or bungees, then dangle a cat toy just above its head. This will make the cat jump to get the toy, but the rubber bands will make the cat come right back down causing you to ejaculate after a few lunges.
NOTE: Excessive use on male cats can result in the cat having a pink sock.

When you eat dirt for the first time and leave your family to build a shack in the woods