cotton-headed ninny-muggins en · NOUN
Etymology
From cotton-headed + ninny (“fool”) + muggins (“gullible person”); implied to be part of the Christmas elf dialect from the North Pole; originally from the Christmas film Elf (2003).
Meanings
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(humorous, informal, no-plural) A whimsical insult meaning silly fool or simpleton.
When Holly got back from some of her personal training sessions, we all watched Elf. I called my sister a cotton-headed ninny-muggins, as one did.
2018, Sally Kilpatrick, “Chapter 41, Ivy”, in Oh My Stars, page 224:Don’t be a cotton headed ninny muggins.
2018 December 13, Molly Lowney, “Staff Opinion: Three life lessons Buddy the Elf taught me”, in The Beacon, archived from the original on 27 Dec 2025:If I could, I’d hit delete. But I’ve already hit send. it’s confirmed: Like Buddy the Elf in that old Christmas movie, I am a Cotton-Headed Ninny Muggins.
2015, James Howe, Also Known as Elvis:Staring at the shattered terra cotta pots that once stood along the porch and the pitted surface of the pueblo style home, I was torn between fury and tears. Fury won. “Immature, cotton-headed, ninny-muggins.” A choked laugh sounded from beside me. “Swear words have an actual purpose Meli. What the hell is a ‘ninny-muggins’?”
2018, Jami Gray, Marked by Obsession: A Breath-stealing Stalker Psychic Romantic Suspense: