Well funnily enough, I used to not like the entire sublanguage including yolo, ******, swag, 2gud4u, u mad bro, u wot m8, etc. But then I started using them myself for comedic effect and now I'm perfectly fine with them. And in fact many people who seem to use them sincerely are doing the same, much like "'Murica, fuck yeah".
Sheeple, fanboy, hater, random, and iron.
Sheeple - everyone borrows ideas from other people. Accusing anyone else of doing it is such ridiculous arrogance I can't stand it. To imply that someone else doesn't think for themselves at all is demeaning to boot, and it's even worse when you proclaim to be one of the few enlightened ones.
Fanboy, hater - unless used for parody or self-referentially, these are easy ways to marginalise someone and belittle their opinion without actually addressing it, and are as overused as "That's what she said" jokes before you learn how to wait for the right fucking time.
Random - not when used properly of course, but when used to mean lesser or without value, or to mean "a random person". Same goes for literally when what follows is not what LITERALLY is the bloody case.
Iron - About the one word I pronounce strangely. I try to say 'iyen' but some sort of weird little aspect of 'r' slips in there regardless. Screw this word for being the only thing standing between me and speaking properly most of the time.