What is a gay yancy?

What is yancy?

Newly coined slang word, referring to having a sexually transmitted disease.

Definition

Also a derogatory reference to an effeminate male, one who appears more girlish in looks and actions. Used to describe a male, that is flamboyant, similar to calling one a Flamer.

Take off on Nancy Boy.

More common in the British Isles, than elsewhere.