[1] : The Collaborative International Dictionary of English v.0.48

crappy \crap"py\ kra^p"py^, a.
   of very poor quality. slang

   syn: lousy; crummy. pjc

[2] : WordNet (r) 2.0

crappy
     adj : very bad; "a lousy play"; "it's a stinking world" syn: icky,
            lousy, rotten, shitty, stinking, stinky
see also:
icky lousy rotten shitty stinking stinky 

[3] : Moby Thesaurus II by Grady Ward, 1.0

67 moby thesaurus words for "crappy":
   amiss, bad, barfy, bum, cheesy, creepy, crummy, dirty, disgusting,
   dissatisfactory, dungy, excremental, excrementary, fecal, feculent,
   fetid, filthy, flyblown, foul, gloppy, godawful, goshawful, grim,
   gunky, hairy, icky, maggoty, malodorous, mephitic, mucky, nasty,
   nauseating, odious, ordurous, poor, puky, punk, putrid, rank,
   repulsive, rotten, scabby, scatologic, scatological, scummy,
   scurfy, shitty, slabby, slimy, sloppy, sloshy, sludgy, slushy,
   sposhy, stercoraceous, stercoral, stinking, stinky, unsatisfactory,
   up, urinary, urinative, vile, vomity, wormy, wrong, yecchy

Crappy >> C Words
Crappy, definition of term: Crappy
crappy_pag1.html