Jellybrain

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A muddled thinker; a stupid person. derogatory, informal

    "BLACKADDER: Where the hell's that cretin Percy; you haven't seen him, have you? BALDRICK: Yes, my lord! He's hiding in the box! BLACKADDER: Come on, jellybrain. Hurry up, otherwise we'll miss the tide!"

Synonyms

All synonyms
airheadboneheadchangelingcrackheaddicklickdildo

Example

More examples

"BLACKADDER: Where the hell's that cretin Percy; you haven't seen him, have you? BALDRICK: Yes, my lord! He's hiding in the box! BLACKADDER: Come on, jellybrain. Hurry up, otherwise we'll miss the tide!"

Etymology

From jelly + brain.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.