Tongue in cheek expression about the appeal of sexy tights (pantyhose) and the complete opposite of sexy stockings. However thexy thights can be transformed into unbridled sex fashionista when the wearer deliberately portrays them as un-sexy.
One who's body shape imitates a thigh, bigger on top and slims down the further down the length of the body. Can be used to denote someone who's topheavy in the breast area.
person a: dude so you know how i lost all that weight?
person b: yeah.
person a: so i went shopping to get new clothes and i couldn't get any pants over my thighs, even though i have lost weight.
person b: man sounds like you have come down with a classic case of thunder thighitis.