adjective, crap·pi·er, crap·pi·est. Slang: Sometimes Vulgar.
extremely bad, unpleasant, or inferior; lousy: crappy weather.
nasty, humiliating, insulting, or unfair: What a crappy thing to say about anyone!
cheaply made or done; shoddy: a crappy job.
Origin of crappy
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Online Etymology Dictionary, © 2010 Douglas Harper