What does HYPE TRAIN mean?
being into something when there's a ton of media hype (being talked up a lot)
Other definitions of HYPE TRAIN:
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How to use the term HYPE TRAIN:
Are you on the Harry Potter hype train?
More slang terms:

SCRT
secret

BOED
Book of Exalted Deeds

HASIAN
Hot Asian

EMS
Emergency Medical Service