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Meaning of undie run | Babel Free

Noun CEFR B2

Definitions

An event where a large number of people, typically college students, run an outdoor route in their underwear.

US, informal

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Undies undieting undifferentiability Undifferentiated undifferentiatedness undifferentiation