Someone who is not regularly hot, but bears strong resemblance (physical or any other) to a character in the Harry Potter series, thus making them attractive to fans.
by Matt Coon August 29, 2007

Someone who attempts to be a doppelganger, or carbon copy of another person, and only looks like an ass doing it. Often unpleasantly reminiscent of the original person.
by Matt Coon September 17, 2007

by Matt Coon August 02, 2007

When, in cases of extreme thirst, a person using a soft-drink fountain fills the beverage container, chugs it, and then fills it again before sitting down to eat.
Person 1: Hey man, why did it take you so long to get a soda?
Person 2: I was prefilling my cup; I've been thirsty all day.
Person 2: I was prefilling my cup; I've been thirsty all day.
by Matt Coon August 08, 2007
