It's what it sounds like. You get everyone together, then challenge someone to pick "truth" or "dare". Pick "truth" and the challengee can ask you whatever they want and you gotta answer truthfully. Pick dare and you get dared to do some task or another.
[Is that a good enough explanation... It better be.]
no subject
[Is that a good enough explanation... It better be.]
no subject
That sounds like fun. Let's play it.