- rudesby (n.)
- "insolent person," 1560s, mock surname from rude + -by, common place-name (and thus surname) ending element, as in Grimsby, Rigby. Similar formations in idlesby "lazy fellow" (1610s), sneaksby "paltry, sneaking fellow" (1570s), suresby (16c.), lewdsby (1590s).
