nagini
A nagini is someone who is sly. They lie about situations to make others like them however they tend to twist the story & they end up lying more than intended. A nagini is not one to be trusted. They're a 2 faced snake.
"Don't trust him. He's a nagini"
Nagini moment
When typing a sentence you make a mistake which would mean that you have had an nagini moment
Oops I’m having a Nagini moment