How to Spell Ninnyhammer?

a fool or simpleton; ninny.

How do you use Ninnyhammer in a sentence?

Example sentences

“Such a ninnyhammer, he totally fell for my April Fool's joke.” “He's always taking credit for things he didn't do, the ninnyhammer.”

What is a ninny in British slang?

: a foolish or stupid person. See the full definition for ninny in the English Language Learners Dictionary.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.