To shit in someone's mouth

The Act of shitting into someones mouth. Brian Lipscomb's favorite part of the day

to shit in a brown paper bag and then slap it across your partner's face

pack it. send it.

This is a close relative of "the chilli-dog." You'll proceed to drop a deuce into a waiting girl's mouth and she eats it.

to drop the biggest ass log ever in somebody's mouth

When you defecate into a small container such as e.g. a Ziplock or Tupperware usually used for holding food. This is most commonly employed when you are stuck in an enclosed area (like say, an elevator) and you need to take a dump.

The act of placing cellophane over your partner's mouth, then deficating on the celophane. Your partner then takes your feces into his/her mouth and tongues it through the celophane.