полный провал! – English translation

clinker; all-around failure; dead frost; total failure; crash-and-burn (Дмитрий_Р); abject failure (oliversorge); downright failure (stefanova); catastrophe; complete failure

Игорь Миг

epic disaster; face plant

amer.

debacle (Val_Ships); hot mess ("She got up on stage and tried to sing Beyonce's "Dangerously In Love" but her performance was a hot mess." – "Она поднялась на сцену и попыталась спеть песню Бейонсе "Dangerously In Love", но её выступление было полным провалом." Taras); crapfest (Taras)

amer., inf.

flunk (особ. на экзамене)

dipl.

total breakdown

disappr.

miserable failure (His strategy has been a miserable failure. ART Vancouver)

fig.

train wreck (This project has become an absolute train wreck. We've wasted so much time and money already, I don't know how we'll make up the losses Taras)

fig.of.sp.

it bombed (A.Rezvov)

idiom.

unmitigated disaster (shergilov)

flunk; blast; cork; crash; shellacking; smash; epic fail (Andy)

vulg.

clusterfuck (Taras)