(slang) The ability to detect whether or not a person is a geek.
This gaydar/geekdar confusion got completely out of hand at the LISA/USENIX conference in Chicago a few weeks ago. While there is certainly a gay presence at all levels at this conference, it is not, in fact, a motss.con.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.