Yes, "silly as a goose" is a simile. A simile is a figure of speech that compares two different things using the words "like" or "as." In this case, it compares someone's silliness to that of a goose, suggesting that they are very foolish or playful.
A silly goose is a word to sort of make fun of someone by calling them funnySILLY GOOSE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1This statement has been proven to be true when a goose demonstrated an action which was seen as silly, thus making him a silly goose.
As goofy as a goose
It is a idiom.
The nucleus, you silly goose!
No silly goose(;
math you silly goose
A Silly Goose
Its a metaphor because its saying that when your hair stands on its end, its a goosebump...its not comparing using like or as (simile).
Of course it does work you silly goose
lol you do silly goose!
In the west you silly goose.
Silly goose, you smoke weed.