noun. A condition that spreads like a VD and breeds like bunnies.
Real citation: "David Duchovny: Nice one checking into rehab just as the new season of Californication is set to begin. Please. The only disease you have is can't-keep-it-in-my-pants-itis. Quit pathologizing your cheating—people have been doing it for centuries."
(Judy McGuire, Sept. 3, 2008, Seattle Weekly, http://www.seattleweekly.com/2008-09-03/diversions/star-crossed-lovers.php)
Made-up citation: "Would you prefer a President with can't-keep-it-in-my-pants-itis or couldn't-get-laid-in-a-women's-prison-with-a-bag-of-pardons syndrome? The question is relevant, since Presidents usually possess both pardons and pants."