prat

名词 prat:

1. the fleshy part of the human body that you sit on
   同义词：buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass

prat

n.Slang （名词）【俚语】
The buttocks.
屁股

来源：
[Origin unknown]
[语源不明]