It’s when you go from being extremely happy, extremely sad, extreme angry, and very sexually aroused. It is very rare and is most common in the U.S.A.
Man I was with this girl last week and she was definitely quadpolar. She was so happy, then so sad, she starting beating me and then she really wanted to have sex with me.
The word can be applied in substitution or as a synonym for something that is fourth in line. An quantitative measure which comes after 3 or behind 5, which can be utilized in a manner of numerical application.
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.