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1. Rat Fink
Tattletale, stool pigeon, squealer, snitch, double-crosser, weasel.
That rat fink Lenny sold me out to Tommy G!
by Rodney Basil Aug 28, 2004 add a video
2. Rat Fink
A goofy looking rat character designed by Ed "Big Daddy" Roth.

A show car designed by Ed "Big Daddy" Roth.
Big Daddy's Rat Fink car of 1963 was a kart driven by a Cadillac starter motor.
by Cap'n Bullmoose May 6, 2005 add a video
3. rat fink
1. the combination of two terms used to describe the underhandedness of some one to stress what a low down sneak they are.
Matt is a rat fink, he told the teacher I snuck another cupcake.
by Bud E Love May 7, 2003 add a video
4. rat fink
1. just another way to call someone an jerk
2. a song by an AMAZING band.. the misfits. ROCK ON
dude joe is being a rat fink

F!! I SAID F.I.!!! F.I.N.!! F.I.N.K.!!! F.I.N.K. FINK FINK FINK FINK!!
by misfitfan Apr 17, 2005 add a video
5. Rat Fink
lying twoheaded, manipulitive, hypochondriac with crazy tendancies.
"dude chris is such a rat fink"
6. rat fink
latin: Ratus Mcfinkle
a common insult used in the 80's
Marc M
Marc is a little ratus mcfinkle
by anonymous May 23, 2003 add a video
7. rat fink
great insult to use when mad at someone who has a tiny brain
your a fucking rat fink.. you rat fink asshole
by cuteycaity Jul 22, 2004 add a video
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