23 definitions by PonyTrainBoi

A 2000s person's way of saying the year it's just become, TWENTY NINETEEN.
Maddy, it's two thousand and nineteen (twenty nineteen) and you're still watching My Little Pony (MLP) and looking at internet memes (memes) on your mobile phone (phone).
by PonyTrainBoi January 6, 2019
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A teenage or adult fan of Phineas and Ferb. From Perry the platypus’ name combined with ‘geriatric’, a word for an old person.
How many other Perryatrics want to see Candace Against The Universe?
by PonyTrainBoi August 3, 2020
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