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, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass
slang for sexual intercourse同义词：fuck, fucking, screw, screwing, ass, nooky, nookie, piece of ass, piece of tail, roll in the hay, shag, shtup
