A kind of radar which is set to go off in the presence of a homosexual.
You didn't notice Mark is gay?? The moment I met him my gadar totally accused it! Anyways, he's never found the courage to get out of the closet...
by brazilnut November 15, 2008
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the act of exercising caution so not to confuse any engagement with homosexual activity.
ryan and paddy have gone shopping together.

lets hope those two are using gadar stealth, they are bromancing all the time these days.
by gerard jacques November 5, 2010
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