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Detection principles or means of detection relating to one's abilities to observe the drunkenness of a particular individual or group. Typically helpful for individuals hoping to save their drunken friends from making mistakes, or helpful to bouncers in selecting individuals to keep an eye on.
"Dude, did you know Bill would be drunk enough to hook up with Sara tonight? She's got that jacked boyfriend who'd fuck him up so bad"

No man, I knew he was drinking pretty hard and everything, but my swaydar definitely didn't pick up that he'd fucked up enough to something that dumbassed and risk getting his shit fucked up"
by Bryaaaan June 01, 2009
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