What does MUM stand for?
MUM stands for "Mean Unseen Menace"
How to abbreviate "Mean Unseen Menace"?
"Mean Unseen Menace" can be abbreviated as MUM
What is the meaning of MUM abbreviation?
The meaning of MUM abbreviation is "Mean Unseen Menace"
What does MUM mean?
MUM as abbreviation means "Mean Unseen Menace"
