Goblin mode is slang for an unapologetic embrace of lazy, sloppy, or hedonistic behavior.
The phrase’s popularity exploded in 2022, with Oxford University Press even naming it their word of the year:
The ‘goblin community’ has spoken!
We’re pleased to announce goblin mode as the #OxfordWOTY 2022.
— Oxford University Press (@OxUniPress) December 5, 2022