hash
n.— «I served as a boatswains mate aboard the USS Yorktown from 1964-68. We called our underwear “skivvies” and the hard to wash out parts on laundry day were called “hash marks” (After the stripes on uniform sleeves denoting time in service, which are also called this.)» —“Skivvies” by jackalope47 Wordorigins.org Nov. 2, 2002. (source: Double-Tongued Dictionary)
Further reading
Need a slang term that can replace just about any noun? Try chumpie. If you’re from Philadelphia, you may already know this handy placeholder word. And there’s Queens, Brooklyn, Staten Island, Manhattan, and … The Bronx — why do we add...
Diamond dust, tapioca snow, and sugar icebergs — a 1955 glossary of arctic and subarctic terms describes the environment in ways that sound poetic. And a mom says her son is dating someone who’s non-binary. She supports their relationship, but...