A person who unknowingly looks like they are masturbating penis's with their hands while talking or giving a speech.
Person 1: "Dude that person is a grade A air digger"
Person 2: "What do you mean"
Person 1: "Look at their hands it looks like they are masturbating two penis's at the same time"
A person who unknowingly looks like they are jerking off penis's with their hands when talking or giving a speech.
Person 1 - Bro look that dude is grade A Air Digger
Person 2 - Holy shit dude your right he is a professional Air Digger.