What is The Do?
1.
An answer for things you can't be bothered to say or can't remember the name of.
It can also be the reason for something you can't be bothered to explain or can't remember the name of.
"Yesterday I went to, erm.. the do." (The cinema)
"Pass the do" (pass the TV remote)
Question: "Why is my dog a puff?"
Answer: "Because it's the do"
See