Ass fruit is basically anal fondue, where-by one person inserts small fruits (grapes, strawberries, etc..) most of, or all of the way into another person's ass and then bites or sucks them out to consume.
I plopped some fruit into my girlfriend's ass, and then enjoyed a nice little buffet of ass fruit as I sucked them out.
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.