As nouns the difference between midgie and middie
is that midgie is a midden while middie is a midshipman.
midgie
English
Noun
(
en noun)
(Scotland, colloquial) A midden.
*2008 , (James Kelman), Kieron Smith, Boy , Penguin 2009, p. 32:
*:They did not have good clothes and were midgie-rakers. Their das done that, they just raked yer midgie and got yer old rubbish. middie
English
Alternative forms
*middy
Noun
(
en noun)
(nautical, slang) a midshipman
(AU) A measure of 285 ml (10 fl oz) of beer; a pot.