Top Definition
N. A transitive stigma contracted when a girl hooks up with, sleeps with, or becomes somehow romantically involved with a person of questionable repute. SketchTDs may or may not have a biological basis; hence, the use of condoms or dental dams do not prevent their transmission. SketchTDs are usually incurable. However, the outward appearance and symptoms of SketchTDs can be mitigated by excessive drinking and subsequent inebriation.
"Please tell me you didn't hook up with Coop!"
"What if i did?"
"Well then you just got yourself a SketchTD, hoe!"
by Mateo Peligroso September 19, 2006

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