The Collaborative International Dictionary of English v.0.48:

Colicky \Col"ick*y\, a.
   Pertaining to, or troubled with, colic; as, a colicky
   disorder; a colicky baby.
   [1913 Webster]

WordNet (r) 3.0 (2006):

colicky
    adj 1: suffering from excessive gas in the alimentary canal
           [syn: colicky, flatulent, gassy]