1 definition by Mapster
|pēˌgazəm| noun. a feeling of euphoric relief centered in the groin area experienced when you finally use the bathroom after having refrained from urinating for an extended period of time. Often vocally accompanied by loud, un-controllable moans or long sighs.
Sally had such a loud peegasm after waiting two hours to use the bathroom, you could hear her from a mile away.
by Mapster February 6, 2009