This meme is used to make fun of peoples BS storys.
Dragons are not real therefore the cool story bro adds up with the dragon part.
DougieWouggie - I lost my virginity to Megan Fox and then she sucked me off while I was asleep.
Stephon - Cool story bro, tell me the part about the dragon again.
This meme grew from the site "gamekiller.net".
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)