He was just fatheading about, not paying attention to anything important.
fatheadadjective
Characterized by stupidity or foolishness.
That was a fathead idea.
He made a fathead decision when he invested all his money in that company.
Frequently Asked Questions
The phonetic transcription of "fathead" is /ˈfæt.hed/ in British English and /ˈfæt.hed/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "fathead": fool, idiot, nitwit, blockhead, dope, dumbbell.
Example usage of "fathead": "Don't be such a fathead, listen to me!". More examples on the page.