Everybody walk the dinosaur is a copypasta meme originating from 4chan.
Open the door get on the floor everybody walk like a dinosaur.
Boom boom acka lacka lacka boom boom boom acka lacka boom boom it was a night like this forty million years ago i lit a cigarette picked up a monkey skull to go the sun was spitting fire the sky was blue as ice i felt a little tired so i watched miami vice and walked the dinosaur i walked the dinosaur open the door get on the floor everybody walk the dinosaur open the door get on the.
Open the door get on the floor everybody walk the dinosaur open the door get on the floor everybody walk the dinosaur.
The preceding lines are the incredibly catchy.
Open the door get on the floor everybody walk the dinosaur open the door get on the floor everybody walk the dinosaur.
Open the door get on the floor everybody walk the dinosaur.
The point of it is to be telling a really raunchy or interesting story and then abruptly end it with open the door get on the floor everybody walk the dinosaur thus the expectant reader is trolled by the lack of a climax to what could have been full of win.