The use of the idiom means "don't tell anyone".
Example: "We think we know where the treasure is buried, but mum's the word or someone may beat us to it."
Gardening by the Yard - 2004 Mums the Word was released on: USA: 20 September 2009
36869 were hung me mums mums mums mums mums mums mums told all of my mums mums
your mums whispering eye
your mums pinky toes.
You mums dad ;)
it apperaedd in my mums womb
The word mum can refer to as the flower; mums or as a mom in british
no but i shoved it upo your mums mindge
the foulest word ever is your mums face I think by definition, the "foulest" word would have to be "foul".
Michael Roberts mums a clown
# ihdf is another word for udf and djksgjsd also it licks your mums bum
i love bum in my mums bum do you get me fam