Knock knock
Ok Freddy, I'll go along with it although I think I already have the answer on a t-shirt.
Who's there?
I thought you was meant to be homeless. Oh ok it was much funnier when my mate done it to a big issue seller (i suppose you had to be there).
My t-shirt reads ....
Knock knock jokes totally wasted on the homeless.
Does anyone else get match day predictions from the Big issue seller in the Hammersmith tube?
How accurate is He?