2. When someone talks about something but he/ she doesn't even know what it's about.
3. One of many ways to look smarter in the group.
4. A hypocrite's act.
2. That guy hasn't done anything in his life but he likes to air talk to kids in the hood about life (like he knows much about it.)
3. Many rappers did air talks when they were interviewed about how good they are now with their communities although they are still wearing excessive bling-bling for the sake of showing off.