The art of sneaking out of a test in school to go to the "bathroom". While in the bathroom you use one hand to do bathroom things, such as piss. The other hand you use to check wikipedia. Hence the name wiki-piss. This strategy is commonly used by high school and junior high school students.
A wimpussy is someone who is a fusion of wimp and pussy, dont be fuckin gutted if you are one (you probably are) but take pride in it hold your head up high and go into the nearest supermarket and shout it as fast as you can over and over, then breathe out your nose and stick your tougue out, it makes you look like a dug
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.