From les (“lesbian”) + -dar.
lesdar (countable and uncountable, plural lesdars)
- The supposed ability to detect whether or not a person is lesbian by observing that person.
1997 May 2, Melinda Shore, “Re: ER (was Re: The Episode)”, in soc.motss[1] (Usenet):That's because you don't have highly-developed lesdar.
2001 January 31, Michael S Pettersen, “Re: Queer as NYTimes beefcake (was Re: Lily Tomlin)”, in soc.motss[2] (Usenet):Lizz Winstead sets off my lesdar, incidentally; anybody know if she is lesbian, or bi?
2014, Daniel Witthaus, Beyond Priscilla: One Gay Man, One Gay Truck, One Big Idea[3], Port Campbell Press, published 2014, →ISBN:I was surprised how as some my gaydar and lesdar were pulsating as I walked the streets.
- Alders, Alreds, Eldars, Leards, Radels, Radles, Sadler, alders, arsled, laders, sardel