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1.
The smile that a pediphile uses toward young children.
When walking through the crowd, all the creepy men stared at me with their pedi-smiles.
by tjtaylor921 May 29, 2010
 
2.
A smile given by a creepy person who has watched you for over 30 minutes.
Dude, that guy's been staring at us since we walked in. He's got the creepiest pedismile.
by Jess Inuzuka January 07, 2008