fins 

5 dollar bill in canada or a 5 peice (.5 grams of weed)

Guy1-"yo I got a fins, I just have to go pick it up"
Guy2- "Why not call up crazy joe, he delivers"

fins by Bo Vicious August 2, 2007

Fins 

Noun. People and Mer-Folk who are Fans of the Artist/Mermaid Meridian Mer-Gyver from In The Eyes of March.

"Welcome All my Fins!!!"

"To all my Fins, I couldn't have done it without you!"

Fins by Meridian Mer-Gyver February 27, 2013

Fins dad 

Left him when young

Look it’s fins dad

Fins dad by Fins dad May 18, 2021

fins and feathers

a name of a diet where someone will only eat fish and chicken.

Hayley is a fins and feathers

fins and feathers by Willie P January 27, 2007

Tail back and two fins 

When a guy stands and puts his dick and balls into a mangina then bends over exposing his junk from behind.

Girl lets fuck but firstly let me show you the tail back and two fins.

Tail back and two fins by NJCDGN August 15, 2014

fished-out fins 

tight "fins" you put on your ride to increase its pimped-out-ness

Let me slide in da Benz wit da fished-out fins.

fished-out fins by Nick D February 27, 2003

Fit In Nut Shell (FINS) 

Girl who is conscious about her health, diet by maintaining sexy physique. She is fit without breaking the shell.

Eva - Look at her. She is damn hot and i couldn't get eyes off.
Dave - Hell Yeah, She is Fit In Nut Shell (FINS) and will be going forward.

Fit In Nut Shell (FINS) by Moulish Rated - R Punk November 23, 2014