Related Clues:

• Tittered
• Responded disrespectfully
• Giggled
• Cracked up
• Laughed quietly
• Gave a guffaw
• Expressed amusement
• Expressed mirth
• Chortled
• One was amused to find something so huge and twisted in the lad
• Being so huge with the lad around, that's what the littel dog did
• Was the ha-ha
• What was done by a little dog
• The little dog had this to do with what's in 1 across
• What the little dog did was find a huge twist in the boy funny