Gay-dar 

Extra sensory perception that allows one to immediatey know who is a homosexual.
Origin: The combination of the words "gay" and "radar".

Harry set off my gay-dar.

Gay-dar by Allora December 2, 2003

Gay-Dar 

Same as Radar but detects the flame within a man....aka his gay-ness. You must be extremely blessed to have this ability. Often called the 7th sense, Gay-dar can do wonders for you.You must be one with the flame to fully accomplish Gay-Dar

**"Whoa that guy is flaming...he is definately light in his loafers."
**"How do you know he is gay?"
**"Uh hello?! Gaydar...psh get with it, gaydar tells all."

Gay-Dar by C Babi June 23, 2004

reverse gay-dar 

Individuals that can't help but only be attracted to members of the opposite sex that are clearly homosexual.

Girl with reverse gay-dar: I am so in love with Michael!

Friend: Ah, you and your reverse gay-dar have done it again.

Girl with reverse gay-dar: Michael is not gay!

Friend: Yes he is; I know because I have gay-dar, unlike you.

reverse gay-dar by BananaDaiquirisAreGood July 10, 2010

Gay-dar 

Device used to identify gay people, when a gay person is in the radius of the “gay-dar” it will beep continuously until the person has left the area.

Man walks into store, Gay-dar beeps.
“Oh shit my gay-dar is going off fucking faggots.”

Gay-dar by Cross-Scars May 18, 2019

Gaydar 

Someone's ability to sense if someone is gay or not when it's not obvious.

Q) What is your gaydar telling you about that waiter.
A) It's pinging loudly hey.

Gaydar by Galawh May 27, 2019

gaydar 

The ability/gift of being able to detect homosexuality in other people.

Woah! Look at that guy. My gaydar is going crazy!

gaydar by Bungalow Bill December 5, 2001

gaydar 

the ability to sense--without being told and without obvious visual clues--that someone is gay.

Female A: He may be fine as frog hair but you won't get anywhere with him because he's gay.
Female B: How do you know?
Female A: 'Cause I've got GAYDAR!

gaydar by Elaine E. August 10, 2008