straightdar

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 28, 2010

straightdar

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 09, 2007