delo
n.— «Billingsgate regular, she is well accustomed to the robust banter of the stallholders as well as their own private fish-merchant slang (“Delo,” for example, means anything that’s bad or ought to be thrown away).» —“Fish and tips” by Christopher Middleton Telegraph (U.K.) Feb. 4, 2006. (source: Double-Tongued Dictionary)
Further reading
What’s it like to hike the Pacific Crest Trail all the way from Mexico to Canada? You’ll end up with sore muscles and blisters, and great stories to tell. Along the way, you’ll also pick up some slang, like NoBo, SoBo, Yo-yo and...
The slang phrase someone ate and left no crumbs means the person did something really well. In a previous call, a listener who works in theater noted the use of ate to mean “did something well,” as in they really ate that haircut! This...