Wordnet 3.0
NOUN (1)
1. 
 empty rhetoric or insincere or exaggerated talk; 
- Example: "that's a lot of wind"- Example: "don't give me any of that jazz"[syn: wind, malarkey, malarky, idle words, jazz, nothingness]
WordNet (r) 3.0 (2006):
malarky
    n 1: empty rhetoric or insincere or exaggerated talk; "that's a
         lot of wind"; "don't give me any of that jazz" [syn:
         wind, malarkey, malarky, idle words, jazz,
         nothingness]