|1.||Everyone and their grandma|
What you say when there are a lot of people.
usually only used when a lot of people have a certain article of clothing or in the same place.
don't use if with someone over the age of 60, or with someone you are trying to impress with your intellect.
Jane: did you go to the twilight premiere?
Lucy: ugh. yes.
Jane: was there a lot of people?
Lucy: just about everyone and their grandma.