A sexual act, or acts, that aim to impress and satisfy someone in bed. When you take a girl home and give her the Christmas Goose, you do your best in bed and pull out all the tricks.
#1: It was his birthday so I gave him the Christmas Goose.
#2: Bro did you give that girl at the bar the Christmas Goose?
an accidental or intentional light pat or bump on the derriere of a co-worker from another co-worker, male or female at any time throughout the year but especially during Christmastime.
Kevin bumped into Tracy while making drinks at the soda machine. Tracy blew it off, smiled and said "Christmas Goose!"
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.