jailbaitdar

noun. A keen jailbait-detecting sense.

Related terms: gaydar, straightdar, bi-dar, hickdar, loserdar, boob-dar, penis-dar, big dick-dar, hair-dar, porn-dar, sex-dar, food-dar, sleep-dar, money dar, ho-dar, slut-dar, babe-dar, virgin-dar, hottie-dar, weirdo-dar, jerk-dar, moron-dar, dorkdar, skankdar, freak-dar, ass-dar, zombie-dar, Pretentious Club-going New York Assholedar, "someone is staring at my ass"-dar, “Jesus Freak” dar.

Real citation: "SHE’S FUCKING 16? jesus h fucking christ, i have a real problem with jailbaitdar."
(scentless, Feb. 28, 2004, http://dontlinkthis.com/archives/1068)

Made-up citation: "In a post-Olsen twins apocalypse, will anyone's jailbaitdar function?"