An individual that is heavier in the lower part of their body, typically in the thigh region. It does not necessarily mean that they are overweight, rather that they have a bit more flesh/fat in the area of the thighs.
Guy #1: Bro, I'm really diggin' Kim K.
Guy #2: Not me, dude.
Guy #1: Why not?
Guy #2: She's a bit too thighish for my liking.
Guy #2: Not me, dude.
Guy #1: Why not?
Guy #2: She's a bit too thighish for my liking.
by Heapy17 February 23, 2016