Can you understand retards?

Can you understand retards, it's the quiz name numb nuts

1 What goes up...
2 Happy leif erikson day
3 Declan looks like a Jonas, but which one?
4 Sorry if teh quiz is suckish, I lured you in though eh? ;)
5 Tbh, I'm just carrying on for the fun, bored much
6 Thx for doing teh quiz, rate 5 stars or I shall bitch slap you