kybosh

This definitely puts the kybosh on the make-up rumors, as there is no way Harry could marry a movie star.

That put the kybosh on one bit, but it didn't 'urt the general scheme not a bit.

Kybosh; some sort of difficulty or 'fix':—'He put the kybosh on him: he defeated him.'

Gob, that puts the bloody kybosh on it if old sloppy eyes is mucking up the show.

There'll be a dickens of a kybosh if they find we've broken parole, and I don't want you hauled into the beastly thing.