The catchall phrase used to describe an anomaly in physical behavior that is typically related to the aging process. Can also be applied to the thought process in certain individuals.
Honey, Mommy just can't get up as quickly as you do because she's got a hitch in the giddyup.
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?"