Related Clues:

• Spiteful getting claws out, perhaps?
• Bitchy? Yes and no
• Malicious person sticking to soft drinks in bar
• Like a remark evoking a "Rowr!"
• Like a remark evoking a 'Rowr!'
• Gleefully spiteful
• Talkative with hour spent backbiting
• With claws out, say
• Empty-headed son ignored being spiteful