it's British humor, I guess...x2 here on BYC means "I agree."
I don't get the [COLOR=333333]"hurrumph! Hurrumph!" p[/COLOR][COLOR=333333]osted by [/COLOR][COLOR=333333]subhanalah[/COLOR][COLOR=333333] [/COLOR], that's not something I've ever encountered before and I wouldn't know if it was good or bad, either!
Here is a list of abbreviations commonly found on BYC. Of course, "DQ" and "x2" aren't on there! https://www.backyardchickens.com/a/byc-index-of-abbreviations