Search Result for "tumblebug": 
Wordnet 3.0

NOUN (1)

1. any of various dung beetles; 



The Collaborative International Dictionary of English v.0.48:

Tumblebug \Tum"ble*bug`\, n.
   See Tumbledung.
   [1913 Webster]


WordNet (r) 3.0 (2006):

tumblebug
    n 1: any of various dung beetles