Possible Clues:

• Doo-wop song's high voice
• Phoney, ludicrous tot's voice -- high
• Raised voice in argument after trip cut short
• For a lying teetotaller nothing could make him sound so high
• Strained sentiment deceiving agitated tot
• Register a line in female handbags
• ...and so is this
• Latest outbursts impede scaling of vocalist
• Exaggerated returns on fictitious register
• Method of singing at abnormally high pitch