Much like the Dino Spumoni, The Fonz is when you catch two people off guard and shove both of your thumbs upthe said persons rectums and shout "Aaaay!"
"Kathleen and I were talking in the common room when Mike came out of no where and got us with "The Fonz"...now I have a restraining order against him."
Notorious child rapist who plagued the greater Milwaukee area in the 1950's. 'Fonzie' generally targeted teemage highschool girls,who he seduced and or drugged their milkshakes before taking them back to his garage or his small surburban dwelling. Once there he was purported to force himself on the girls violently, with any resistance being met with a forceful 'Aaaaaayyyyyyyyyy!' or 'I'm the Fonz' or most luridly 'Sit On It.'
Fonzarelli despite being clearly in his late thirtieswhen he began and early forties by the time he was apprehended apparently had little difficulty blending in and wore a leather jacket and jeans.
When he was apprehended his shocked landlord a Mrs.Marion Cunningham said she was shocked and that 'he was such a nice quiet boy.' The Fonz is currently serving fourteen straight twenty year jail terms forhis crimes.