Can you guess the riddle?

[Mathew]

what is the worlds hardest riddle !! ???

 

[Sion1994]

what grows when you pull it?
what fits great between tits?
what fits nicely into a hole?
A Seat Belt!!! Wow ur sick!!!!!

lol lol

 

[sid g]

Is this question lame, or are the answers lame?