giggle, grin, snicker; see smile, sneer.
"simper." YourDictionary, n.d. Web. 14 January 2019. <https://thesaurus.yourdictionary.com/simper>.
simper. (n.d.). Retrieved January 14th, 2019, from https://thesaurus.yourdictionary.com/simper
To smile in an affected, knowing way:
An affected, knowing smile:
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