This is a certain type of lies that is different than face to face or written/texted lies. As these can be a bit more exaggerated or salty due to the undocumented nature of them.
Allison: "Did you hear about Angelica?"
Mimi: "No, what happened? I just saw her last night at Troy's party. She is still sober."
Allison: "I just got off the phone with Hannah and Angelic hooked up with Blaine and then Brendon!"
Mimi: "Telephone lies! I was there! Blaine grabbed her ass and Brendon tried to kiss her in the laundry room."