What is a goopaleen?

Answer 1

A goopaleen is an Italian word for tight knit hat. If you grew up in a household with Italian immigrants, you may have heard "Don't forget to put on your goopaleen before you go out in the cold."

Answer 2

There is no specific definition or known meaning for the term "goopaleen." It appears to be an invented or made-up word with no widely recognized usage or significance.