English is the most elastic language in the world, you can say anything and use anything as a euphemism or metaphore and generally most people will get it ....... Hooray for English
Mate of mine (gay, but not in that flamboyant and annoying Louie Spence way) came out with a belter a while back... talking about someone we know who's in the closet, but I wasnt aware of being.....
"Oh Him? He's gay as a window"
Had me falling about the pub in peices
One of those irreverant, off the cuff jewels, and is still in our social groups' regular vocabulary