roll-on
n.— «I also know that many white brothers who raise issues with Msholozi’s polygamous ways are not necessarily opposed to the notion of having two or three wives. In fact, many of them have their “roll-ons” (township argot for mistresses; you know, you put your roll-on under your armpit. Get it?).» —“Envy is a very deadly sin” by Fred Khumalo The Times (Johannesburg, Gauteng, South Africa) May 17, 2009. (source: Double-Tongued Dictionary)
Further reading
How do you pronounce pecan? Is it pee-KAHN or PEE-kan? And why are there different pronunciations of the name of this nut? The word pecan was borrowed into English more than once, and from numerous Native American languages that had variations on...
Ron in Gloverville, South Carolina, wonders about the phrase since hatchet was hammer, which some use to mean “for a long period of time,” as in My family has lived here since hatchet was hammer. Another phrase he’s heard indicating the same thing...