L human
A L human is a total mess who uses people for their own gain. They lie, cheat, and don't even think twice about making your life hell.
She said we'd be best friends forever, then posted my embarrassing photos online.
He asked me to keep his secret, then told everyone I was a 'liar' and a 'snitch'.
My coworker took my idea and called me a 'clown' in front of the whole team.