Idiom Definitions for 'Don't mention the war'
This means that you shouldn't speak about things that could cause an argument or tension.
This idiom was used in a classic episode of the much-loved British comedy series Fawlty Towers. As a consequence if you use this phrase in Britain, listeners will understand you to be referring to Germans, or just start laughing.
Idioms similar to 'Don't mention the war'