What does UMBK stand for?
UMBK stands for "You Must Be Kidding"
How to abbreviate "You Must Be Kidding"?
"You Must Be Kidding" can be abbreviated as UMBK
What is the meaning of UMBK abbreviation?
The meaning of UMBK abbreviation is "You Must Be Kidding"
What does UMBK mean?
UMBK as abbreviation means "You Must Be Kidding"
