Otherwise known as 'Try Hard Disorder'. When female (and occasionally male) teenagers try to talk and act cool, but in fact it is obvious that they are a complete and utter fake. This acronym was made famous by Asena in her speech about teenagers in a certain private school.
by MLIA August 22, 2009
by fruit smoothies January 12, 2010
Dizzy from the fumes, white knuckled, and holding the wheel hostage. A dirty old Cadillac barrels towards hell with a brick on the gas pedal - THD
by Dracolithfiend April 25, 2016
by Dr. Barlehmangryman April 26, 2005