flap
n.— Note: Perhaps related to the noun meaning of flap, “a state of agitation; a panic.” «His face lit up when he talked about a “flap,” a term used to describe a large number of UFO reports, one March sometime in the late 1990s.» —“His eye is stuck on the sky” by Julia Spitz MetroWest Daily News (Framingham, Massachusetts) Oct. 7, 2007. (source: Double-Tongued Dictionary)
Further reading
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...
In Cockney rhyming slang, apples and pears is a synonym for “stairs,” and dustbin lids means kids. Plus, sniglets are clever coinages for things we don’t already have words for. Any guesses what incogsneeto means? It’s the...
My parent’s generation, young adults in WWII, called fussing over something “getting into a flap over” it. Perhaps derives from “flapdoodle”?
Perhaps. You’re ahead of my note-adding, but I’ll add one to this catchword shortly.