Mud Fin

Mud fin is when someone passes gas, emitting some fecal matter that gets flattened out between their butt cheeks, poking out of the crack like a shark fin.

Steve could tell that last flatulence gave him a mud fin.

by Lazy Reggie August 4, 2013

mamma fin

one awsome mother fucking mom of a lezbian bisexual tranny named jillian finley, she is a prostitute in camden nj.. mamma fin is in a guy with michael schepis and mamma zig.. they smoke weed all day and kill people.. there gang is the schepis gang.. the gang lkeader may apear to have the pilsbury dough boy on his neck... MAMMA FIN IS THE SHIT I LOVE U<333333333333333333

mamma fin

by poop alot in the morning nd pm August 23, 2011

Fin

Big gay

Do you know that fin guy?

by Bigstraightman December 12, 2018

FIN

A word used my the lads at St. Aloysius College to confuse nunerous females

Female: exists
Lads: FIN

by Big Slicee February 20, 2019

finned

To be alone with a couple.
If there is more than one couple you are double finned

Noun: The Finn

I got finned by Mary and Tom today. It was so weird - they made out the whole time.

by laserkaktuss July 25, 2018

Clapping fins

Clapping fins. having sex in a pool or any source of water.

Yo bro those people over there are clapping fins.

by boby joe jack smith August 4, 2018

FIN

A gay faggot

Fins a faggot

by FINNNNN123 June 9, 2018