put the mockers on

put the mockers on something

(British informal)

to spoil something or to prevent it happening Carol's parents decided to stay in on Saturday night, which put the mockers on her plans for a party.

Name	Pronounced	Usage
Meryl	MERL, MER-əl	English
Jehoshaphat	ji-HAHSH-ə-fat (English), jee-HAHSH-ə-fat (English)	Biblical
Nicolau	nee-koo-LOW (Portuguese)	Portuguese, Galician, Catalan
AnikÓ	AW-nee-ko	Hungarian
Haraldur	-	Icelandic
Hamlin	['hæmlin]