Yap
To talk excessively, especially when others consider the conversation unnecessary.
“He has been yapping about that game for twenty minutes.”
To yap means to talk continuously or excessively, especially about something listeners consider unimportant. It can be affectionate and self-deprecating or dismissive and insulting depending on tone.
Yap has described sharp barking and continuous chatter for centuries, with written use dating to the sixteenth century. Social media revived and expanded the word through phrases such as yapping, professional yapper, and yap session.
yapping
Talking continuously, excessively, or for longer than others consider necessary.
yapper
A person who talks frequently or at great length.
yap session
A playful phrase for a long, casual, or highly animated conversation.
Is yapping always an insult?
No. Friends may use it affectionately, and people often jokingly describe themselves as yappers. Tone and context matter.
What is a professional yapper?
It is a humorous name for someone who talks often, enthusiastically, or at great length.
Does yap only refer to talking?
In current internet slang, it usually refers to talking. The older verb can also describe the sharp bark of a small dog.