What is Mums The Word?
1.
to keep quiet about something
I heard Elaine's parents are out of town tonight and she's lonely! I'm gonna go over. Mums the word!
2.
to keep quiet about something; my lips are sealed.
mum means mmmmmm (the sound made when putting your lips together)
came from
"Seal up your lips and give no words but mum."
person 1: "Please don't tell anyone about my affair."
person 2: "Don't worry i won't. Mums the word."
See
Random Words:
1.
Taking a shit that is so epic that you need to tell others about it in great detail. Usually the shit smells like a barn animal.
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