Nouns:
Ass
Ass End
Back
Backside
Behind
Booty
Bottom
Bum
Buns
Butt
Butt End
Buttocks
Can
Cheeks
Croup
Derriere
Duff
End
Fanny
Fat Ass
Glutes
Gluteus Maximus
Heinie
Hind
Hind End
Hinder
Hindquarters
Keister
Moon
Phat Ass
Phatty
Rear
Rear End
Rump
Seat
Tail
Tail End
Tush
Tushie
Calves
Hamstrings
Knees
Legs
Quadriceps
Quads
Thighs
Features:
Bubble Butt
Double Butt
Ass Crack
Banana Rolls
Butt Crack
Crack
Gluteal Fold
Gluteal Sulcus
Intergluteal Cleft
Sacral Dimples
Ham Hocks
Saddlebags
Thigh Gap
Thunder Thighs
Hyperextended Knees
Cellulite
Dimples
Adjectives:
A-Shaped
Cherry-Shaped
Flat
H-Shaped
Heart-Shaped
Inverted
O-Shaped
Pear-Shaped
Round
Square
V-Shaped