blubberhead

[ bluhb-er-hed ]
/ ˈblʌb ərˌhɛd /

noun Slang.

a stupid, inept person; blockhead.

Origin of blubberhead

First recorded in 1850–55; blubber + head
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019