Usually defined as 'just moggy donk', it doesn't have a set definition.

It is a contextual phrase that can be used as a placeholder word in conversation and when you're asked a question you don't know the answer to.
1. "Sculptor Frederic Auguste Bartholdi based the face of the Statue of Liberty on whom?"
"Moggy donk!"

2. "That is just moggy donk.."
by Literate Scouser January 29, 2019
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