Frox is from the word plox, Generally used by the more veteran users of games and the internet. Used generally as a parody of stupid users who say plz or pls. but frox meaning freaking pls or plz.
Can i have your babies frox? phr33money frox. etc. frox is leet.
Something you find cool as shit, like Toaster ovens or whatever. Keep in mind it's coolness, it's not like "fetch" or "epic" it is SPECIFICALLY for shit you find cool.