'Mangoball' or "MangobaII" is the commonly used name for the socmed AU fanfiction "Cheater, Cheater", written by twitter user mangobaII.
The fanfiction centers around the ship Dreamnotfound, but many people enjoy it for its side plotpoints, zany characters, and crack writing style.
Max: Holy shit have you read Mangoball on twitter it's so funny
Kerry: Actually the fic's title is "Cheater, Cheater" MangobaII is the autho-
Max: Shut up Corpse just got stuck in a washing machine