A light kick executed by flicking the foot at the target using the ankle. A peachkick is administered with the intent of admonishing another, moving small objects, or as a funny threat. A peachkick should not inflict injury.
Knock it off before I peachkick you!
or
Just give it a little peachkick to get it going.
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.