(mʌms ðə wɜːd)
Idiomatic Phrase
1. Indicates that something is a secret and not to be divulged.
VINCENT
Well I’m of the opinion that Marsellus can live his whole live and never ever hear of this incident.MIA
Don’t worry about it. If Marsellus ever heard of this, I’d be in as much trouble as you.VINCENT
I seriously doubt that.MIA
If you can keep a secret, so can I.VINCENT
Let’s shake on it.The two walk toward each other, holding out their hands to shake and shake they do.
VINCENT
Mum’s the word.
From the post: English Vocabulary from the movie “Pulp Fiction”
Source: Pulp Fiction Script at IMSDb (imsdb.com)
