can

barrel, canister (also cannister), drum, tin

bastille, big house [slang], bridewell, brig, calaboose, clink [slang], cooler, coop, guardroom, hock, hold, hoosegow, jail, jailhouse, joint [slang], jug, lockup, nick [British slang], pen, penitentiary, pokey [slang], prison, quod [British slang], slam, slammer, stir [slang], stockade, tolbooth [Scottish]

bath, bathroom, bog [British], cloakroom [British], comfort station, convenience [chiefly British], head, john, latrine, lavatory, loo [chiefly British], potty, restroom, toilet, washroom, water closet

backside, behind, booty (also bootie) [slang], bottom, breech, bum, buns, butt, buttocks, caboose, cheeks, derriere (or derrière), duff, fanny, fundament, hams, haunches, heinie [slang], hunkers, keister (also keester) [slang], nates, posterior, rear, rear end, rump, seat, tail, tail end, tush [slang]

break, break off, break up, cease, cut off, cut out, desist (from), discontinue, drop, end, give over, halt, knock off, lay off, leave off, pack (up or in), quit, shut off, stop

ax (or axe), bounce, cashier, discharge, dismiss, fire, muster out, pink-slip, release, remove, retire, sack, terminate, turn off