Prince Harry has been in Nottingham today opening the new headquarters of the charity Headway which helps people who've suffered head injuries. While he was there he tried out a bit of the local language.
"Ay up me duck" is a traditional East Midlands greeting which means hello.
Other Midlands phrases include:
It's black over Bill's mother - it looks like rain.
Chuck - throw (Chuck us a ball)
Croggie - an (illegal) crossbar ride, "two-up" on the crossbar of a man's bicycle
Cob - a bread roll
Jitty - alleyway
Mardy - grumpy, sulky
Mash - to make a pot of tea (i.e. "I'll go and mash the tea.")