mean-mugging
n.— «Chino plays the part of the chump with “a complex” getting played because he thinks he’s the man. How many videos have that plot? In the other scenes, it’s dark and Chino is just flippin’ his hands and mean mugging while flowing.» —“Re: Chino” by Loklass (loklass@aol.com) Usenet: alt.rap Apr. 29, 1996. (source: Double-Tongued Dictionary)
Further reading
Language is always evolving, and that’s also true for American Sign Language. A century ago, the sign for “telephone” was one fist below your mouth and the other at your ear, as if you’re holding an old-fashioned candlestick...
Brittany in Green Coast Springs, Florida, says that when she was grumpy or irritated as a child, her mother would say a phrase that sounded like Don’t be such a scooch. This bit of Italian-American slang, often rendered as skutch, denotes a “pest”...