underoos

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noun

A set of matching briefs and top (usually a sleeveless shirt or T-shirt) themed after a superhero or other fictional character, popular with children in the 1980s.

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Meanings

noununderoos pl (plural only)
  1. pluralplural onlyA set of matching briefs and top (usually a sleeveless shirt or T-shirt) themed after a superhero or other fictional character, popular with children in the 1980s.

Origin

A trademark of the 1970s.

Full word history & related roots →

Translations

Estonian alusrüü, ihurüü
  • alusrüüset of matching briefs and top
  • ihurüüset of matching briefs and top
Cite this entry
APA

underoos. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/underoos

MLA

“underoos.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underoos. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “underoos,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/underoos.

Source: underoos on Wiktionary, CC BY-SA 4.0.