A celebratory event at the end of the week in which all the participants blackout and drink so much they flop on the ground like a fish. The place where they fish is known as an aquarium. Spin-offs include: Mahi-mahi Monday, Tuna Tuesday, Whale Wednesday, Trout Thursday, Shark Saturday, and Sunfish Sunday.
Joe: Dude it's a Friday, what are our plans?
Kyle: It's Fish Friday, what else would we do.
Joe: Great, I'll grab the beer.
Kyle: It's Fish Friday, what else would we do.
Joe: Great, I'll grab the beer.
by Padre03 February 26, 2021

by CosmicFish October 15, 2018

by p0yda July 12, 2021

by Okkk234 November 8, 2018

When 2 people suck each other's toes 69 style. References those cliché koi pictures where each fish's mouth is by the other's tail.
by MaverickSquad May 18, 2023

When a Man does not bathe for a single month and then takes his collection of smegma and cooks it down into a saucepan until it turns to an oil-like fluid.
"Waitor": Hey chef, table 4 thought there wasn't enough dressing on the salad...so they sent it back.
"Chef": Oh ok, well ill just add some Dominican fish oil and see how they like it.
"Chef": Oh ok, well ill just add some Dominican fish oil and see how they like it.
by Lilac818Lavender December 12, 2020

by master yo5 December 7, 2021
