Ackchyually
Adverb · Slang & Abbreviations
Definitions
A mocking stylized spelling of 'actually' used to imitate pedantic corrections, especially when someone interrupts a conversation to make a technically correct but socially unhelpful point. It is common internet shorthand for needless nitpicking.
In plain English: A sarcastic way of mocking someone for making annoying overly pedantic corrections.
Example: "He went full ackchyually in the thread and derailed a useful discussion over one minor wording choice."