tuna can 

a girl that smells just like tuna when you open her up thus the smell of a just opend can o tuna she may also have the same properties of tuna (falling apart in your mouth)

dude that chick opend her legs in class and she smelt like a just opend tuna can

tuna can by D-rikk October 24, 2009

Tuna stink valley

A pussy that stinks like tuna and has not been waxed/shaved for some time

Bleedry's pussy is the ultimate tuna stink valley

Tuna stink valley by sherri28 May 27, 2008

Tuna melt

1. The act of performing oral sex on a girl after previously enjoying a bag of cheetos therefore leaving a cheesy residue on her tuna.

2. Slice of toast with tuna and melted cheese.

James: dude did you hear keagen ate out marissa lastnight?

Sarah: ew didn't he have cheetos that night?

James: oh yes he did, classic tuna melt.

Tuna melt by Cheeze Louize September 14, 2011

Tuna Bagging 

When a woman touches her loose dripping vagina on a mans face. (Female version of tea bagging)

The mother was tuna bagging her dead husband.

Tuna Bagging by Tuna Bagger June 4, 2010

tuna fishing

masterbating!

hey bro what were you doin in there?

uhhhh. oh! i was tuna fishing!

tuna fishing by willy bartelled June 18, 2011

tuna can 

A derogatory term used to describe the shape of a penis that is wider than it is long.

"Hey Lamont, having a hard time getting action with that Tuna Can? No pun intended." Laughter ensues.

tuna can by LamontLambda April 17, 2014

tuna helper

(noun, vulgar slang): an established lesbian or bisexual woman who helps a bicurious woman or girl awaken a lesbian attraction by way of sexual experimenting.

After a weekend with Charlene the tuna helper, Stacy knew for sure that she was a lesbian.

from "tuna" (often used to describe the smell of human female genitalia), and "helper" (one who helps)

tuna helper by Sadie Verbosa January 1, 2010