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1.
HPT
An acronym for Heavy Petting through Trousers. Used to describe an individual using their hand to feel the genitals of another individual though clothing.
Those two were making out and then got into some serious HPT.
by Optimus4033 November 15, 2006
 
2.
HPT
an acronym for Hot Ponytail. It is when an aesthetically pleasing female has the perfect ponytail.
Alexander: Damn, guys did u see the HPT on that bubble tease waitress

Patrick: Damn yo, u have that HPT syndrome

Eric: It's EVERYWHERE
by HPTmasterbater November 05, 2010