Electronic gag reflex?

• "I'm giggling audibly," in email
• "Cavalleria" temptress
• Twitter titter, and then some
• Howl that's seen but not heard
• Texting titter
• Facebooker's "Funny!"
• Hi-tech titter
• Response to a joke, maybe
• Texter's reaction to a joke

Wikipedia Word definitions in Wikipedia
LOL (Laughing Out Loud) is a 2008 French comedy film directed by Lisa Azuelos and starring Sophie Marceau , Christa Theret , and Alexandre Astier . Written by Azuelos and Delgado Nans, the film is about a teenage girl whose life is split between her studies ...