Kinda. It was used differently when it meant gay.
"GAR for _____" means "_____ is so awesomely manly, I'm gay for them!"
When used as a adjective, it refers to a specific kind of manliness that a character possesses.
When used as a noun, it is a measurement of the degree of manliness a character has.
There still are no known instances of using GAR as a verb.