"Just doin' it for the fuck of it, I don't care if I win this competition"
"Why are you upgrading your PC again? Is it slow already?" - "Nah bro, just for the fuck of it. The upgrade bug is biting me in the ass again"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi