Related Clues:

• Sound on Old MacDonald's farm
• Yell
• Noise from the farm
• Grunt
• Sound in 'Old MacDonald'
• Farm cry
• Stoolies do it
• Pen chant
• Pen pal's response?
• Sow's squeal
• Arnold's comment on "Green Acres"
• Barnyard sound
• Sty cry
• Sound of delight
• Pig sound