The act of shitting into a sink, then "flushing" by running the garbage disposal. Performed as a last resort, only when all other toilets are in use. Frequently involves beer shits the morning after.
"Mike had to drop a log in the chipper because his girlfriend and her roommate were using the bathrooms."
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.