A flaggigle is a case in which somebody has committed second degree rape. Like in a case of sexual harassment of your friends. Usually the person commiting a flaggilge is joking, while the other person who is affected by the flaggigle does not think it's a joke.
Also a court case called second degree rape.
All rise...the defendant is accused of a flagiggle.
Normal person: Oh, yeah, so when I left the store, my shoe caught on something and I ended up tripping onto my face, and everything I was carrying slammed into the man in front of me.
Fag: Hehehehehahahahehehehehuhuhuhehehehahaha.
Normal person: The hell was that? Did you just faggiggle?
Fag: Um.. No?
Normal person: You fag.
Bill, Mary, and Sean are sitting on a bus and Bill screams out, "HEY MARY DIDN'T YOU FUCK MARY AND LATER THAT NIGHT FUCK SUSAN?"
*awkward silence*
"FLAGIGGLE" Sean said
As Lady Atri was demonstrating a dead-lift at her gym, the sound and odour rang out for all to bare witness to. The rest of the gym went silent except for the snorts and chuckles of Juicy on a time out in the corner. She as everyone knows , is a world renown Fartgiggler.