look up any word, like cleveland steamer:
 
1.
The sixth sense that tells you a woman is homosexual.
She looked hot from across the room, but when I approached her my lesdar went off.
by scott777 April 10, 2008
 
2.
The ability/gift to detect lesbianism in other people. Similar to gaydar, but specifically for the females.
She's wearing flannel AND Birkenstocks? My lesdar is going haywire!
by JimTX July 17, 2007