murphy's law

The law that says anything that can go wrong, will go wrong.
I just won the lotto, but I lost the lotto ticket.
by Etan September 05, 2003
mugGet the murphy's lawmug.

on the house

When an object is given to you and paid for by the person giving it to you.
Because you are sexy, this drink is on the house.
by Etan September 16, 2003
mugGet the on the housemug.