Possible Clues:

• Elicits a scolding
• Goes haywire
• Wildcat taking drink is naughty
• Misbehaves when outside court, and in court!
• A vessel welcomes test, oddly, but doesn't behave right
• Wild cats flying with horses around
• Is a brat
• Functions improperly
• Tense son in a competition misbehaves
• Parliamentary bill on drink goes wrong