a child who's not very intelligent
child: dear santa i been good all year, give me lots of toys and shit
santa: ho ho ho! i thing you under estimate my gullibility!
santa: ho ho ho! i thing you under estimate my gullibility!
by lil casper July 8, 2005
 Get the gulliblemug.
Get the gulliblemug. Person 1: Did you know that gullible is wriiten on the ceiling?
Person 2: Really? *searches the ceiling with his eyes*
Person 1: bahahaha
Person 2: Really? *searches the ceiling with his eyes*
Person 1: bahahaha
by ganjagod January 23, 2015
 Get the Gulliblemug.
Get the Gulliblemug. by Leafy is beefy February 28, 2016
 Get the Gulliblemug.
Get the Gulliblemug. Haha! I gullibled you!
by Jamma Lammin August 28, 2010
 Get the gullibledmug.
Get the gullibledmug. Gullible isn't in the dictionary!
by 00000200 March 15, 2009
 Get the Gulliblemug.
Get the Gulliblemug. by PseudonymName1542 September 5, 2016
 Get the Gulliblemug.
Get the Gulliblemug.