Tokthree.
Noun:
1. Someone who is overly serious and often comes off as a douchebag on a level equal to whoever he/she is talking to.
2. Someone who does their best to inform others of their mistakes even when at risk of making themselves look like a buzzkill or a douchebag.
3. Someone who only has the best interests of those around him at heart.
E.g;
Guy1: "Get back in the kitchen!!"
Guy/Girl2: "That's loveist and I take offense to it."
Guy1: "Gosh, I was only joking... Man, you can be such a Tokthree sometimes."