buttocks, behind, rump...

tail (of an animal), tail end, tip

bucket, pail

mouth of a river, lower stream

rear wheel, cantle

cone-shaped

bottom, buttocks, bidet function (for anal cleansing)

shiritori, word-chain game, word game in which players must give a word starting with the last syllable of the word given by the previous player

hesitation, wavering, faltering...

falling on one's backside, pratfall, mochi used to celebrate a child's first birthday...

falling on one's backside, pratfall, mochi used to celebrate a child's first birthday...

falling on one's backside, pratfall, mochi used to celebrate a child's first birthday...

looking at from the corner of one's eye, sidelong glance, disregarding...

slowcoach, lazybones, slowpoke

loose, promiscuous, unfaithful...

incontinence, promiscuity

crouching

buttocks of a horse being ridden or followed, blindly following suit

anal fin

anal fin

tail end, rear, tail...

backside

crupper

rolling one's kimono up to one's waist

anus, asshole, arsehole

buttock hair

buttock

buttock

to take responsibility for, to take the blame for

rump, butt flesh