All to pot

Slightly more of an outdated version, this British slang term is still used, and its meaning remains relevant today. ‘All to pot’ refers to a situation going out of your control and failing miserably.

• The birthday party went all to pot when the clown turned up drunk and everyone was sick from that cheap barbecue stuff.[A festa de aniversário  perdeu o controle quando o palhaço apareceu bêbado e todos ficaram mal por causa desse churrasco barato .]

Fonte: Lifehack