The expression survives from the 1700's in England, referring to the act of removing one's headgear as a sign of respect
Hat 'n' Boots was created in 1954.
I don't think there is an idiom for macaroni and cheese. There is an ABBREVIATION for it, which is just mac 'n cheese.
tescos
she bad ft. ricky blaze
Alabama
a netted hat
cat n the hat
Dappy , but fazer is the one who wears a normal , baseball hat
Alan Freed
together mean something different than when they are used separately
A Dappy hat!
Yo'm Chris