I'd say swaggots (after looking it up) because they are more obnoxious, they are all over the web acting "cool" and trying to be "swagalicious" they are also easily trolled and have the debating skills of an infant sea urchin.
Bronies despite the fact that I think they lacked something fundamental during their childhood or are genetically cursed with an insane interest aren't that annoying, they keep very much to themselves.
And if they suddenly decide to post a freightload of pony pictures, I don't get mad, there isn't anything even to get worked up about (maybe only an extra scroll swipe or two, but that's it.)
But when i see stuff like this:
The only rational and completely justifiable thing to do with them is this: