Search Result for "sad sack":
Wordnet 3.0

NOUN (1)

1. someone who makes mistakes because of incompetence;
[syn: bungler, blunderer, fumbler, bumbler, stumbler, sad sack, botcher, butcher, fuckup]



WordNet (r) 3.0 (2006):

sad sack
    n 1: someone who makes mistakes because of incompetence [syn:
         bungler, blunderer, fumbler, bumbler, stumbler,
         sad sack, botcher, butcher, fuckup]