1. Plural form of the word "Slagathor".
2. A group of hideous girls/women/bitchs/etc that are hard to look at for any amount of time, but are so mind-bogglingly nasty, one cannot help but stare. *Note: Staring can lead to Night-Blindness, Impotency, Night Terrors, Palpable Rage, Hate for everything, Erectile Dysfunction, and/or a myriad of horrible testicle diseases that will ensure that you die miserable and alone.*
Dude, did you see the chicks at Mike's party?
Yeah, he had a fuckin' Slagathi convention in there.
Slagathor 1: Why won't anyone talk to us?
Slagathor 2: I don't know!
Slagathor 3: Why are we shouting?
Mike: That's cus ya'll a buncha ugly bitchs, and nobody wants ED by lookin' at ya. Now get the fuck up outta my house.