Question

to come unstuck - Her business came unstuck when the price of oil started to rise.  - You'll soon come unstuck if you try to do everything by yourself.  - The psychological ascendancy which he thereby established survived even the moment when he came horribly unstuck in the 11th game and lost his queen.  - A movie that revolves purely around sex is sure to come unstuck eventually and this offering from writer/director/ producer Johnson is a prime example.

Accepted Answer

to experience problems or difficulties In American English the expression is to come unglued. A stamp that falls off an envelope has come unstuck - from the verb to stick.

Idiom	to come unstuck
Definition	to experience problems or difficulties
Examples	- Her business came unstuck when the price of oil started to rise. - You'll soon come unstuck if you try to do everything by yourself. - The psychological ascendancy which he thereby established survived even the moment when he came horribly unstuck in the 11th game and lost his queen. - A movie that revolves purely around sex is sure to come unstuck eventually and this offering from writer/director/ producer Johnson is a prime example.
Note	In American English the expression is to come unglued. A stamp that falls off an envelope has come unstuck - from the verb to stick.

Unstuck Experience Problems Difficulties Business Price Oil Started