Related Clues:

• Cat's 'please continue scratching behind my ears'
• Run perfectly
• Kittenish sound
• Sing, in a way
• Electronic noise
• Drink without a pause
• Locomotive noise
• Frat house chant
• Sound heard at Indy
• Imbibe, ''Animal House'' style
• Gulp down
• Hum
• What gentle strokes may produce
• Sonar sound
• Unfortunate motor sound