And then there's just inside jokes like things that go together:
Ho Lee Phuk (follow up: Sum Ting Wong, Wee Tu Lo, Bang Ding Ow)
And whenever a bunch of people are all assuring someone that that they are with you, someone invariably adds "and my axe" from Lord of the Rings.
And as with reddit, if there's a whole thread of people saying things that look unrelated, but they have a lot of upvotes, it's probably song lyrics or quotes from a movie.
Top Kek - Praise God