i love you slut
A person who says 'I love you' to everyone they ever had a crush on, even if they barely knew them, and then acts like they're the best lover ever.
He said 'I love you' to his third-grade crush and then to his current girlfriend in the same day.
She told 'I love you' to the guy who sat next to her on the bus, then to her boyfriend, and then to her mom.
He said 'I love you' to the pizza guy and then to his ex.