The act of someone hacking shiny pokémon into a game while taking a fat shit so they won't be judged.
Example of Shiny Shitting:

John: See Jerry over there, i bet he's a shiny shitter.

Antonio: Absolutely he is, have you seen his party?
by YourLocalTorchy November 6, 2022
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Adjective Preston slang for that "devil may care" attitude

Use of shiny glamourises the shit and raises the level of merely 'Giving a shit'
"You weren't at lectures today and missed some important work"

Reply "I don't give a shit! In fact, I don't give a shiny shit"
by Foregone Conclusion July 30, 2006
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