1. Similar to Argh,ack,shit,and damn it,argon basically says 'I'm really pissed off and I'd appreciate your gracious and horribly painful demise'. In other words,a cry of frustration and annoyance at the world and all of those in it.
2. Also one of the elements.
"ARGON! WHY THE FUCK DOES THE WORLD SUCK SO MUCH!!!?!?"
"Argon is the most kickass element EVAR,OMG"