2) To join a session without telling the members that you don't have weed to pitch.
"My professor totally fandangled me out of that A on my paper!"
"Damn man, that guy just totally fandangled his way into the session."
"Nah, it was just a quick fandangle and then I threw up all over her clothes, she left pretty sharpish"
2)To tickle a butthole from under her dress.
2)"Girls just love it when you give them the fandangle"