In Touhou, this is usually reffered to Concealed Four Seasons, the Boss theme from Stage 6 of Touhou 16: Hidden Star in Four Seasons. It is an abreviation, as (C)oncealed Four (4) (S)easons
by Awedsy June 24, 2020

When the pain of shitting / pooping is so insanely intense, it can only be compared to being exploded by a C4
by PikaboyMOD July 11, 2023

C4 is a goat at everything
by Cdhjmnvxx January 20, 2022

Not the place to be. (Unless you're one of Hannah's bitches or love the smell of rotting fish e.g. Gary's cooking).
by Alan January 19, 2004

Is an absolute sweat at C4(Connect 4) and always soft locks people in 100 different ways. He ends up getting several 6 in a row's with ease and brings shame to anyone who dares to go against him. He is known as the gigachad of connect 4 and is probably just a fat guy at the computer winning at connect 4 against oblivious kids.
Person 1: "Yo, did you hear that C4 Male was absolutely dominating those little kids at connect 4 the other day? I kind of want to challenge him to a game."
Person 2: "Good luck man. You'll need it."
Person 2: "Good luck man. You'll need it."
by 1x1 October 8, 2021

When a person says something Ayo but isn't So Ayo where you need to say "No Diddy" but isnt applied to something less ayo to say "Pause" Its really a Mid Tier reply but it gives more emphasis to the "Sus" in question.
Ex. You in game chat with the boys and your homie is dying to this one player and he happens to say "Yo brooooo hes Fucking Me Up." Your other bro replies Ayo "C4 That" basically implying to get rid of that sus ass statement and to come correct with something less diddy like
by AMP Lore June 11, 2024
