Definitions by bnm15
mums the word
to keep quiet about something; my lips are sealed.
mum means mmmmmm (the sound made when putting your lips together)
came from Shakespeare quote:
"Seal up your lips and give no words but mum."
mum means mmmmmm (the sound made when putting your lips together)
came from Shakespeare quote:
"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."
person 2: "Don't worry i won't. Mums the word."
mums the word by bnm15 July 4, 2009