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

gaynado 

A vortex of sheer man-on-man action

"That's one big gaynado over there!"

gaynado by Jumbo jacoby December 6, 2013

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

gaydar BETA 

A form of gaydar most commonly, but not always found in persons with ambiguous sexuality or faghags. It does have glitches and occassionaly fails, specifically with short-term scans such as 'first glance'. It's two main functions include a shock absorber for when someone comes out of the closet and finding potential hook-ups for one's gay counterpart.

My coming out doesn't surprise you?
No, my gaydar BETA picked up on that years ago.

gaydar BETA by Linalin February 25, 2009

Gaydar assassin 

A straight person who wears clothes that make him look gay, often to the frustration of other gay men.

His jeans were so tight I was sure he played for my team, but it turns out he was just a gaydar assassin.

Gaydar assassin by Metalbeast May 26, 2010

GayDD 

The inability of a gay man to keep his attention focused on one guy at a time.

"I won't go to a restaurant with Gary anymore - he's got GayDD."

GayDD by dickcheneyis666 May 24, 2006