go pear-shaped
US /ɡoʊ pɛər-ʃeɪpt/
UK /ɡoʊ pɛər-ʃeɪpt/

1.
de mist ingaan, verkeerd aflopen
if a plan or situation goes pear-shaped, it goes wrong
:
•
Our plans for the picnic went pear-shaped when it started to rain heavily.
Onze plannen voor de picknick gingen de mist in toen het hevig begon te regenen.
•
The whole project went pear-shaped because of poor management.
Het hele project ging de mist in door slecht management.