The excuse to anything and everything when in a conversation. It can be used to put people off, as an answer to ANY question and can be the response to anything such as a hello!
Dave: Hey man, whats up?
John: Matts Mum!

OR

Terry: What the f**k man, what are you doing?
Steve: Matts Mum, what else???
by "O" Town rep May 31, 2010
Get the Matts Mum mug.