Definition of gaydar in English:

gaydar

Line breaks: gay¦dar
Pronunciation: /ˈɡeɪdɑː
 
/

noun

[mass noun] informal
The supposed ability of homosexuals to recognize one another by means of very slight indications.
More example sentences
  • The mystical homosexual power known as gaydar fails, and some delicious complications ensue.
  • Call it a sixth sense or gaydar or whatever you will, I just knew.
  • I thought lesbians were supposed to have some sort of highly honed gaydar, anyway.

Origin

1980s: blend of gay and radar.

Definition of gaydar in:

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