I'm not going to opine on whether a lot of words can take on new meanings like Louis CK does, but it's clear that people use them without realising their effect.
No Homophobes charts how often these terms are dropped on Twitter, as well as displaying the original source. So in many ways it's a fanastic way to find idiots to troll on the site. Alright, brb.
If trolling's not your thing though, listen to Macklemore talking about how gay slurs 'get dropped on the daily' on message boards. Dropped about 40,000 times by 2:00 pm according to this site.
Troll me @JackBlocker