Rain on your wedding day should actually be considered lucky
As it is an ancient symbol of fertility.
( TopUpTheTea you ain't seen me, right?, Wed 13 May 2009, 14:19, archived)

Getting shat on by a bird is good luck I heard
I always used to get the missus to lay a cable on my chest before I went down the bookies.
( Donkey Gums @mattcomedy, Wed 13 May 2009, 14:20, archived)

D:|

( WormuIus, Wed 13 May 2009, 14:21, archived)

I'm kidding I'm kidding!
It was your mum.
( Donkey Gums @mattcomedy, Wed 13 May 2009, 14:23, archived)

But you might get wet!

(MooCow_Byter, Wed 13 May 2009, 14:21, archived)