Refers to the fake mourners of Queen Elizabeth II who, for the most part, constitute erstwhile colonial subjects. They tend to post "RIP Queen" as they ignore number of deaths their country witnessed during the Raj.
A refference to a regiment in the Sweden nation within the Europa Invictacommunity. Notorious for massive amounts of trolling, the phrase has been used in reaction of mess-ups or messing around.
A combination of morning, afternoon and evening. A general all-purpose time-unlimited period of the day. Usually used when you've got up so late that you can't really say "good morning" any more, and even "good afternoon" is pushing it.