Point Percy at the porcelain Australia slang
This is a slang which reference to urinating
Son, you need to point Percy at the porcelain
Jacob must have pointed Percy at the porcelain, but in the wrong way. So his pant is wet
This is one of many phrases related to sex or drinking that was coined by the Australian comedian Barry Humphries during the 1970s and onwards. This slang appeared in the film The Adventures of Barry McKenzie, which was aired in 1972.
Someone who is totally bad at doing something.
Mary really can't sing for toffee.