(idiomatic) to tuck one's tail between one's legs; to admit defeat; to turn tail (and run)

run away

failure, miscarriage / mistake, fault, error

fail / make a mistake

tail

tail

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

roll, coil, wind up / wrap around / tighten, wind