sponge
n.— «A bodyboard, known in surfing slang as a “sponge,” is a form of surfboard consisting of a small roughly rectangular piece of foam, shaped to a hydrodynamic form.» —“Bodyboarding” Bodyboarding Feb. 25, 2005. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
After our conversation about knitters’ slang, including the term stash, meaning “a supply of yarn not currently in use,” a Texas listener shares the message she saw on a sign at her local crafts shop: I hope my husband...