longies

[ lawng-eez, long- ]
/ ˈlɔŋ iz, ˈlɒŋ- /

noun (used with a plural verb)

long underwear, especially for winter use.
long pants for boys.

Origin of longies

An Americanism dating back to 1950–55; long1 + -ie + -s3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019