Mummikins 

A word for one's own mother as a playful pet name. Most likely to be first heard from a young British child.

Mummikins, mommy, mummy, mum, mom

Mummikins by K L. February 6, 2010

Mummykins

An affectionate name for your mother use mainly around the Kings Lynn area of the UK

Morning mummykins how are you today?

Mummykins by Bilko1840c May 17, 2012