Contracted when someone sings a bad song and it gets stuck in someone else's head.
I totally got a Musically Transmitted Disease (MTD) from her when she started singing Rod Stewart. I can't get it out of my head.
by joshfromnc May 17, 2009
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On Facebook when you poke someone on facebook, you poke everyone they've poked, and everyone they've poked...this is how PTD's are spread
Guy 1: I just poked her on facebook

Guy 2: yeah, but she's poked like over 100 people as well

Guy 1: so i could possibly have poking transmitted disease(PTD)

Guy 2: afraid so

Guy 1: damn it
by movieguy92 March 5, 2011
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A suffix to be appended to the end of exceptionally important requests, often followed by the flashing, curbing, or teabagging of the receipient of the request.
"Make me a grilled cheese sandwich, dear...or suffer the sexually-transmitted consequences."
"No! Make your own damn--"
"*FLASH* *CURB* *TEABAG*"
by BleezeMonkey August 25, 2003
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When a person catches a cold or flu virus after a sexual encounter with another person infected with the virus.
Tim: How come you're coughing so much?
Andy: Caught a STF from that chick last night.

Sexually Transmitted Flu (STF)!
by lkitten February 27, 2010
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A mental disorder, originating from Caron, passed on through any kind of sexual contact, ie. kissing, holding hands, intercourse, in which the sufferer causes fights at social gatherings.
"Wow, Frank was really aggressive last night, i think he might have STP!"
by Anonymous STP Sufferer December 22, 2003
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Also known as STJG, this occurs when Jewish guilt is transferred through a sexual act. Usually from the female partner to the male.
Doctor: "Matt, the results have come back positive. You have sexually transmitted Jewish guilt. Also known as STJG. Have you had relations with any Jewish mothers recently? "

Matt: "Damn you Robertaaaa!!!!"
by Mattybizzle September 29, 2013
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