A Fonzi

Sexual act in which the male participant inserts one thumb in the female participant's vagina and the other in her rectum, while saying "Heeeyyeee!"

Dude, last night I gave Stephanie a Fonzi and she went nuts!

by Mister dbagg April 18, 2008

fonzie

When the man (or female) sticks his or her thumbs in their partners ass hole and pulls them out and does the EHHHH just like fonzie from happydays

Fonzie: Ehhhhhh... similar to a dirty sanchez and whatnot

by Dan S.....H May 23, 2006

fonzy

when one takes their thumb/s and jams it up the ass of someone nearby and unsuspecting

Kid:" I'm going to Fonzy scott"

Scott:" O my ass!"

by tdo January 05, 2008

Fonzies

Aids. HIV.

I don't feel too good today guys. I think I might have the fonzies... "eeeeeyyyyyds" (ala the fonz, with appropriate thumb gestures).

by DcTurner October 26, 2003

fonzy

very sexy, very out-going, usually loves the same sex, confused, mental, has a bestfriend preferably named brianna, LOVES his bestfriend, obsessed with his bestfriend, and 100% bangable for any type (animals included).

brianna- "did you hear about fonzy having sex with a snake last weekend?!"
david- "no, i wish i could have that skill".
brianna- "........."

by maryjanekey May 27, 2009

Fonzie

Bunch of dutch friends who make 1337 movies. Also one of the best Dutch CS clans.

- "MOTHERFUCKER did u see that new Movie, but still not even close to that one by fonzie"

- Yo Jack, dude I got fonzie'd yesterday!

by Guere April 10, 2004

fonzi

Comes from the initials "FZ" meaning Friend Zone. It can be a male or female. If you have a girl/guy who's put you in the Friend Zone, he/she is your "fonzi".

Man! That girl is hot! Too bad she's just one of Joe's FONZI's.

by PeterPan425 November 05, 2013