For rugby union fans, there are few things better than an afternoon spent watching the Six Nations with friends and family.

But what if those friends and family aren't rugby union lovers?

For those of us who are less obsessed with the game, let's face it: the language can get a bit complicated (gain-line, blind side, open side, overlap... what?!)

If you need to blag your way through a Six Nations weekend, we've got you. Take this quiz and learn a few key phrases to scream at the TV.