arse; backside; behind; bottom; bum; buns; butt; buttocks; can; derriere; fanny; fuck; fucking; fundament; hind end; hindquarters; keister; nates; nookie; nooky; piece of ass; piece of tail; posterior; prat; rear; rear end; roll in the hay; rump; screw; screwing; seat; shag; shtup; stern; tail; tail end; tooshie; tush;