Related Clues:

• "Bug off!"
• Partner of 53-Across, traffic-wise
• "Get out!"
• "Beat it, Kitty!"
• Silly singing
• Some improvised singing
• Flee the premises
• "Scram, kid"
• Throw your hat in the ring
• Make go away
• Train for a marathon
• "Scram, kid!"
• Vocal improv style
• Order to go
• Jazz-singing technique