that and a quarter will get you a cup of coffee

That and a quarter will get you a cup of coffee is a phrase that is used to describe something which is deemed or seems to be worthless. This is often said to someone who you feel is doing or saying something that is completely worthless and meaning nothing to you. By referring to it as that and a quarter buying you a cup of coffee, they mean to day that what you are talking about isnt worth much at all.