mugging
n.— «Before examining Nico’s psychosis though, I had to get myself psyched. On my way there, I listened to Tupac so that by the time I arrived, I was mugging (mugging- to look hard-core. Etymological root: “mug shot”).» —“Paintball: Where the savage can be savage” by Hector Leano in UCLA Daily Bruin (L.A.) May 4, 2005. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...