tighty-whities

plural noun
tighty-whit·​ies | \ ˈtī-tē-ˈwī-tēz How to pronounce tighty-whities (audio) \
variants: or less commonly tighty-whiteys

Definition of tighty-whities

slang
: snug white underpants for men : white briefs

First Known Use of tighty-whities

1990, in the meaning defined above

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