n. A fusion of "crap," (Eng.: feces) and "amplitude" (Eng.: ); a conceptual expression of a general amount or degree of low quality (e.g., in an item, activity or experience); awfulness, miserableness, dullness or inferiority. Usually ironical.
When the furry chick asked me to name my favorite Billy Joel record, I knew that this party was going to max out my tolerance for crapitude.
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?"