queerdar

noun

queerdar

noun

US /ˈkwiɹdɑɹ/

Etymology From queer + -dar.

1

The supposed ability to detect whether or not a person is queer by observing that person.

maybe she's bi? she sure tingles my queerdar in a big way.1993 October 6, Peggy Boucher Murphy, “Re: Paula Poundstone?”, in soc.motss (Usenet):
During that march, my queerdar was on full throttle. I saw HRC equality and rainbow stickers all over the place.2004, Rick Hoffman, account of the March for Women's Lives, Memorandum from the Pro-Life Alliance of Gays and Lesbians, Number 46, Summer 2004, page 3

1 more example

Are there such things as 'gaydar' or 'queerdar'? That is to say, do some individuals possess an uncanny ability to recognise someone or something as gay or queer and to acknowledge it publicly, […]2009, Jason Edwards, Eve Kosofsky Sedgwick, Routledge, →ISBN, page 46:

Hyponyms: bidar, BiFi, gaydar, dykedar, lesdar, transdar

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.