1. talks excessively or more than necessary; speaks too much
Usage: third person singular present tense of 'overtalk'
2. talks over or through something; discusses at excessive length
Usage: less common usage

Examples

• He overtalks during meetings and prevents others from sharing their ideas.
• She overtalks when she's nervous, filling every silence with words.
• The presenter overtalks the same point repeatedly, losing the audience's attention.
• He tends to overtalk about his vacation instead of getting to the main topic.
• When excited, she overtalks and doesn't notice people trying to interrupt politely.
• The candidate overtalks in interviews, which sometimes works against him.