David Cameron
UK Prime Minister David Cameron is facing calls on Twitter to resign under the trending #CameronMustGo hashtagReuters

For days now #CameronMustGo has been trending on Twitter, powered by a never-ending deluge of Labour activists, trade unionists and generally disgruntled left-wingers who can't wait until the general election to boot out the prime minister.

The story seems to be trending primarily because so many people are tweeting about the BBC not reporting on the fact that it's trending.

It was an online campaign that gathered pace on Saturday evening with a concerted effort to get the hashtag trending. But the first use of #CameronMustGo came on 6 July, 2011. So it's taken just over three years for the ball to really start rolling.

And rolling it is, picking up all sorts of tweeters along the way, from the serious to the angry to the jovial. Here are the different types of #CameronMustGo tweet.

The non-sequitur

The painfully earnest

The sardonic

The frustrated

The festive

The Biblical

The below-the-belt

The Icke inspired

The misused hashtag

The cheeky RT request

The disappointed optimist

The pop fan

The blunt