1. The feeling one gets when they hear an obvious or absurd lie uttered by another person.

2. The feeling one gets when facing down an extremely tough group of foes that you have little to no chance of defeating them.
1. My bullshit detector went off when I heard that illegal immigrants have a right to be here.

2. I am being attacked by ten juggernaughts in Modern Warfare 2 on Veteran mode, using only an M9. Bullshit detected!
by Shadow0113 August 15, 2011
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A device in your house that beeps when it detects smoke. It goes off when your toast starts to burn. Every house should have atleast one smoke detector.
If you don't have a smoke detector it would be a good idea to get one.
by David March 8, 2004
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A device that can be installed into your car. Use it to easily spot cops within a few miles depending on the quality of your radar. Highly illegal in most states.
With out my radar detector, I would have had my license suspended by now.
by ic3 man May 4, 2006
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a woman who is in utter denial of her husband's homosexuality and who covers for him when he begins to spark or flame.
Gay Sales Associate: Are you two finding everything ok?
Husband Shopper: These chinos are fabulous! Can you give me a hand with them in the fitting room?
Wife Shopper: (grips husband's hand and says): We're fine thanks.
<Inside Sales Associate's head: Chinos? Fabulous? That guy's a fire hazard, and I think his smoke detector needs to check her batteries.>
by tac6923 November 10, 2007
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A Fag Detector (aka Grace) will beep if any gays are located and then terminate them immediately with no mercy
LGBTQ : H-
Grace : *BEEP BEEP BEEP* My fag detector is going off -DIE YOU FAG
by Rolas_ahegao February 21, 2019
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A device, typically used within Fire Safety, to warn of smoke.
Smoke detectors are required in all levels of a house, including basements and locations where someone may sleep.
by Trainguy15 June 11, 2021
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