c.1280, "coarse, rough" (of surfaces), from L. rudis "rough, crude, unlearned," perhaps related to rudus "rubble." Sense of "ill-mannered" is from late 14c. Rudesby "insolent, unmannerly fellow" is from 1566. Rude boy (also rudie, for short) in Jamaican slang is attested from 1967. Fig. phrase rude awakening
mod. undesirable; unpleasant. : The prof in my history class is a rude dude, for sure.
mod. cool; pleasant; excellent. : Man, that's a rude bike!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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rude definition
[WPI] 1. Badly written or functionally poor, e.g. a program that is very difficult to use because of gratuitously poor design decisions. Opposite: cuspy. 2. Anything that manipulates a shared resource without regard for its other users in such a way as to cause a (non-fatal) problem. Examples: programs that change tty modes without resetting them on exit, or windowing programs that keep forcing themselves to the top of the window stack. Compare all-elbows. [Jargon File] (1994-10-27)