As in Parachute for shit. The attachment of toilet paper to the base of a rather heavyturd before you cut it loose, thus reducing splash-back and entry noise. A useful technique if you need a heavy evacuation in somebody else’s home and householders are loitering near to the toilet door.
I needed to drop a heavy load, I had no other choice but to pinch on a Shitchute before I let her go.
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"