Definitions

from The Century Dictionary.

  • noun A dull person; a blockhead.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A dullard, or dull person; a blockhead; a numskull.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A dullard; a blockhead.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

thick +‎ skull

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