brusco
/ˈbɾusko/ · B2 · adj
sudden, brusque, abrasive
💥 sounds like BRUSH + disco: a brush-off that hits you suddenly and roughly
Brusco comes from Late Latin bruscum, a prickly shrub (butcher's broom), likely the root of English brush and brusque. Prickly, scratchy plants fit the sense: rough, abrasive, or sudden in manner.