Related Clues:

• Runs off at the mouth
• Talks too much
• Natters
• Prattles
• Yaks it up
• Talks a lot
• Talks on and on
• More than chats
• Runs up a big phone bill, in a way
• Chitchats
• Ties up the phone, say
• Flaps one's gums
• Uses up minutes, in a way
• Talks foolishly
• Blabbers