Any revisit of a thing, be it music, art or otherwise, that tries to evoke nostalgia but rings hollow like it's also mocking said thing. A thinly veiled inside joke
Bands like Wet Leg callback like 90's cool but are really mockstalgia because they don't believe it... they're goofing on it
What all men who have taken part in Movember experience on December 1 after shaving. Because, let's face it, all men secretly want to hang on to the luxuriant item of face furniture they have cultivated for the previous 30 days.
Dude, you look very fresh faced - and depressed for some reason.
Nah, just a touch of mostalgia. It'll pass.