Possible Clues:

• What a giggle so to drive a man from here!
• Titter-titter
• The inclusion of three identical points produces a titter
• You must restrict extremes of ebullience - only a snigger!
• It's a giggle to drive off with a man, by the sound of it
• Giggle sound (2 words)
• Drive him off, by the sound of it, just for a giggle
• Get ready to drive him, perhaps - that's a giggle
• After a drink, man's heard to giggle
• After tea he sounds amused