tuna surprise 

wen engaging in sexual activity, just before the male ejaculates he yells tuna surprise, at which point a friend jumps out the wardrobe and slaps the female in the face with a fish

my girlfriend broke up with me after she got done with a tuna surprise

tuna surprise by scotty boyNo1 December 23, 2008

Tuna Surprise 

While performing oral sex on a woman, the giving parter spreads the labia and screams "SURPRISE!" into her vagina

I gave her the ol' tuna surprise last night

Tuna Surprise by Jboydabs March 2, 2015

tuna surprise 

a fishy ass pussy

she has a tuna surprise she probably doesn't wash her cooter.

tuna surprise by Rodrick Heffley’s grandma January 5, 2021

tuna surprise 

When a pervert or deviant abuses a large-mouthed fish for sexual gratification, filling it with a substance resembling mornay sauce. An act of grievous fish-abuse.

Did you see that freak out the back of the supermarket? He had his pants around his ankles giving that mackerel a tuna surprise!

tuna surprise by ferrimunt April 7, 2009

Creamy Tuna Surprise 

A creamy tuna surprise occurs when you go down to eat out a chick and you abruptly discover, after removing her panties, that you are about to dine on the sloppy seconds from a dude that just dropped a load in her snatch a few minutes prior.

Chet: Yo braaaa! Where ya been?

Devin: Dude I just took that nasty ho out to the car to eat her snatch.

Chet: Cool braaa! How was it?

Devin: Dude, I didn't eat that box there was a Creamy Tuna Surprise waiting for me. What a nasty ho!

Creamy Tuna Surprise by Eaton Holgoode June 23, 2009

tuna melt surprise 

to have a girl suck another woman's pussy juice off your dick

have unprotected sex with a woman, then go to another woman's place and have her suck you off. when your done ask her how it tasted. then tell her that its called a tuna melt surprise

tuna melt surprise by joeyab July 13, 2011

tuna suprise 

When in the middle of sexual relations, and panties start to come off. In the middle of this act, a foul odor has arisen out of nowhere. This my friends in tuna suprise.

Tim: So how did things go with Amber last night?

Chris: Well... things went alright until I headed down south.

Tim: What happended? Did she hit ya with the tuna suprise?

Chris: How did you know?

Tim: I fucked her last week.

tuna suprise by Frazier September 3, 2006