Definition of "smiler" [smil•er]

• Someone who smiles. (noun)
• The mouth. (noun)

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• "When I saw it, I was surprised, too, that it didn't get a laugh ... then I decided it was not a "knee-slapper" as we used to call it ... it was a "smiler" and a "Yeah, I did something like that once" joke."
• "That's a very long eulogium on the poor dear "smiler;" let's hope it will also turn out to be true of him."
• "For some behaviors you may need to listen on a semi-regular basis such as the "smiler" in the above story."