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A Leather clad greaser who rides a motorbike and works in a Garage. Is a tenant of the Cunninghams in the Popular 1970s sitcom Happy Days, Played by Henry Winkler
FONZ - Aye Mr C, Ill bring Chachi and Potsie around for Thanksgiving Dinner

HOWARD - Ok fonz, marion will cook the turkey, Joanie will peel the spuds and richie will get the Beer

FONZ - Ayee.
by Brother Number One July 08, 2004
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Fonz comes from the nick name of Fonzy from an old T.V. series called Happy Days. This word is used by me for the meaning of Cool or Good or Great. This word is a possitive use and should always be that way.
I am Fonz, My life is Fonz, Fonzy from Happy Days is Fonz.
by Ant Rice July 19, 2005
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3
Giving a girl "The Fonz" refers to the act of ejaculating onto her face, then gesturing with two thumbs up and proclaiming the happy-days catch phrase: "Ayeeee"
Yo son, last night I totally fonzed your mom. I was like, "Ayeeee".
by AdeezyForSheezy27 January 15, 2008
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5
A cool story or happening within one's life in which it requires the lifting of both thumbs to describe
1. Hey man I have something fonz to tell you later.

2. Yeah man that was fonz.

Note:Thumbs up hand gesture must be used
by Jumping Shark June 19, 2012
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6
The act of ejaculating into a young woman's mouth, and then gesturing with two thumbs up, and saying, "ayyyy".
Yo, When AD fonzed Mike's whole family, he yelled " AYYYYY "
by German222222 January 15, 2008
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7
1. Alchohol; booze; Happy juice
2. A code word for Alchohol; usually said by underage drinkers when Parents are in the room
3. The ticket to Happiness
Definition 1:
Guy: This party is really lamo...we could do with some Fonz
Dude: I agree
Definition 2:
Dude: Hey man, where did ya keep the fonz?
Man: Uh, its under my bed, right next to the wilderness and the sceptre.
Definition 3:
Dude: *With Fonz* Its time for Happe Days!
*Glug glug glug glug*
I'm sooo happe!!
by Blackstump November 16, 2003
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