Thigh-definition

When one observes an overweight - morbidly obese girl wears tight spandex leggings as a pair of pants. In severe cases, the leggings can become partially see-through.

Did you just see that gross fat girl with the leggings?

Ya dude, i just saw her in thigh-definition!

by chubbychaserxx2 January 02, 2010