Wordnet 3.0
NOUN (3)
1. 
 a very hard hitter; 
2. 
 a winner by a wide margin; 
3. 
 a gross untruth; 
 a blatant lie; 
[syn: whopper, walloper]
WordNet (r) 3.0 (2006):
walloper
    n 1: a very hard hitter
    2: a winner by a wide margin
    3: a gross untruth; a blatant lie [syn: whopper, walloper]