A modern insult derived from the commonly used Silly Goose.
When someone does something particulary strange yet funny you call them this.
When someone does something particulary strange yet funny you call them this.
Little Timmy is dancing around with a diaper on his head.
Suzie: Oh Timmy, you are SUCH a silly moose!
Suzie: Oh Timmy, you are SUCH a silly moose!
by SilverSky October 01, 2008

Originated from an apocalyptic cult. Slang term used for a viking warrior god with a coffee addiction.
by damn tasche and cheeky prophet August 18, 2004

Calling someone a silly moose means that they are acting silly and acting like a dickhead at the same time.
by LukeNelson69 January 03, 2020
