Top Definition
When an adolescent is in class, namely a high school class, that person stares down a significant other, example a really hot girl. This takes about, roughly 10 minutes. Afterwards that persona asks to go to the bathroom. In the event, that person takes care of "business." After twenty minutes, that person comes back with their hair slicked back, and that person is mildly sweaty. All signs alluding to a pervert.
After seeing a really hot girl in class you go to the bathroom to beat off; hippopotumgliferous takes place.
by Kavito October 27, 2006
5 Words related to hippopotumgliferous

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