The story
From green + text; so named for the fact that on 4chan, a line of text is rendered green when preceded with the > character.
Etymology from Wiktionary, CC BY-SA 4.0.
greentext
Today it means: A short anecdote posted on 4chan, typically written in all lowercase, in present tense, using the imperative mood without an explicit subject, and often dealing with social ineptness. Each line is usually concise and begins with >. Full definition →