The act practiced by squaddies in the presence of a camera & an unaware victim.
Victim is usually busy manning a
phone or working on equipment, camera is filming said victim (either knowingly or non), victim is approached by the "
air bummer", "
air bummer" begins simulating sex motions without touching or alerting the victim that they are being "
air bummed", hilarity ensues, victim humiliated, video is usually posted on the internet.
In extreme cases the "
air bummer" will be joined by multiple wingmen and all will start bumming each other, sometimes forming a "bumming train".