Definitions by Big C-Ron

The Fonzi 

After you bust a nut in a girls mouth you cock slap her in the face, put two thumbs out and say "heeey" like the Fonz in happy days.

Nancy was blowing Thad in the back of his 1975 thunderbird and he proceeded to give her the Fonzi.

The Fonzi by Big C-Ron August 19, 2007