When you are a girl and you are insecure about yourself that you make your boyfriend delete and betray all of his friends who are girls. Usually it's a girlfriend who wants to be in charge of his life. She usually is a psycho girl!
When a girlfriend is crazy and tells her man he may no longer talk to any of his friends who are girls.
Girlfriend usually is psycho and checks his phone constantly.
Molly : Wow, Rob and I were really close until Jamie came around.
Chris : Jamie whopped his ass.
Molly : It's a shame we were only really good friends.