Dong Side of the Moon
While mooning one party, accidentally flash your dong to an unsuspecting third party.
When Logan mooned Weil, he accidentally put his dong in Mitchell's webcam. I hope Mitchell likes Pink Floyd because he just saw the Dong Side of the Moon.
Side Dong
When a man wearing ill fitting undergarments inadvertently or on purpose exposes a portion of his penis, testicles, or combination of both
Did you see that old man in the speedo he was flashing some serious side dong.