headcase

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headcase

Where it comes from

From head + case.

noun headcases · head-case · head case

  1. countable, derogatory, informal A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior. "A stockbroker doesn't have 80,000 people sitting behind him just waiting for a mistake," says Jim Fassel, whom fans serenaded with "Fire Fassel!" chants during his final weeks as head coach of the New York Giants last season. "It can drive you crazy." From head coach to head case in three easy step
  2. uncountable A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning. Another gene downstream of EcR/Usp is headcase. Screening genes that show genetic interactions with EcR mutants, Loncle and Williams identified headcase as a regulator of dendrite pruning (Loncle and Williams 2012).

    Similar: hdc

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MLA

"headcase." Wiktionary, via Micwyn, micwyn.com/word/headcase. Accessed 6 Nov. 2026.

APA

headcase. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/headcase

Chicago

"headcase." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/headcase.

BibTeX
@misc{headcase_2026,
  title = {headcase},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/headcase},
  urldate = {2026-11-06}
}