Ass piranha 

Someone who is hungry for butt.

Alice had a few glasses of wine and had now become an ass piranha

Ass piranha by Lego Jam December 29, 2018

Petey Piranha 

Easily the most important member of the species, Petey Piranha is a recurring boss in the Mario series. Making his debut in Super Mario Sunshine, Petey Piranha is a more humanoid version of the species.

Petey Piranha! Oh no! I'm defeated! In this video game at least!

Petey Piranha by MarioMaker2 June 13, 2020

Cock Piranha 

When a woman gives head and bites your dick in the process

Goddamnit Stacy, stop being such a Cock Piranha . It hurts my dick

Cock Piranha by PurpleMinivan November 30, 2020

Pizza Piranha 

A person who devours more slices of pizza than their fair share.

Dude, quit being a pizza piranha and save some for the rest of us.

Might as well order a few more pies, because Mike the Pizza Piranha is coming over.

Pizza Piranha by My Piranhas January 22, 2024

blogvertwashing piranha 

Person who likes finding elements with the title "first discovery" in the game Infinite Craft.

Infinite Craft is a game where you combine elements to get more and more elements as you play on. The term "blogvertwashing piranha" is an element that the creator of this word found as a first discovery.

Calling out all blogvertwashing piranhas: can you make the element "Fishstick Wedding VR" in the game?

blogvertwashing piranha by pocodefenitions February 12, 2024

Social Piranha 

A pun on Social Pariah, it's a more fitting term for a very social but toxic and even aggressive person. A bully. Think lawyers, politicians, and Hollywood producers.

Unless children are gently disciplined and educated by their parents, they will become social piranhas as adults.

Social Piranha by peanut butter cup June 5, 2025

tobin's piranha 

A seemingly important element that never becomes significant later on in the story

Why did this movie have a tobin's piranha

tobin's piranha by HeTuenedHimselfIntoAPickle November 23, 2023