Canned beans that make the room smell like butt when you open them. These are particularly bad if they are "organic" or "rice and beans" in a can.
Roommate 1:"Hey, why does the kitchen smell like butt?"
Roommate 2: "I just bought these organic beans in can from Oregon, they're progressive... want some?"
Roommate 1: "Why would I eat butt beans?"
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?"