Top definition
the ability to sense if someone is heterosexual.
Bill- "Dude, my straightdar is tingling over that guy you were talking about."

Chris- "Damn it, man. I was definitely going to go hit on his cute ass."
by Ladron June 24, 2010
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May 4 Word of the Day
A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.
Dude 1: Bro I just got Arnold Schwarzenegger’s number!
Dude 2: Carpe DM, bro, Carpe DM.
by LolWut098 December 30, 2020
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2
An absolute requirement when walking around San Francisco.

Opposite of gaydar
Straightdar detects no straightness in the area. User be wary of anus exposure.
by newyorkcitynewyorkstate January 07, 2007
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