The Collaborative International Dictionary of English v.0.48:
crappy \crap"py\ (kr[a^]p"p[y^]), a. of very poor quality. [slang] Syn: lousy; crummy. [PJC]WordNet (r) 3.0 (2006):
crappy adj 1: very bad; "a lousy play"; "it's a stinking world" [syn: icky, crappy, lousy, rotten, shitty, stinking, stinky]