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2.
A lady who looks like a mother
She is kind and friendly, a little mumsy
by grw July 27, 2005
 
1.
another way of saying mummy.
can be more affectionate or used when the child wants something, usually money.

Or a way to describe something your mother would say or do.
mumsy?? can i please, please borrow 20 quid....ill pay you back!

Gawd, im totally knackerood....oh dear that was a rather mumsy thing to say.
 
3.
An Australian word meaning something similar to "mommy"
Australian: Mumsy, may I please have some money?
Yank: Mommy, daddy won't give me some money, gimme some! *whines*
by Ette July 11, 2003