Instead of saying fuck, or any other foul language, especially when there are young children around. Its just as meaningful, if everyone knows what it means, plus the fact that it is fun to say, and it avoids getting dirty looks and getting yelled at by teachers.
Girl 1: Did you remember to get the money from your mom.
This is a person who obviously sucks at life. They have no firends and if they do, they are Shneehaws or bitchtits. These are people who are frequently made fun of and left out, but with good reason.