Lacertilia - The worst insult you can ever get from a teacher who has no

The worst insult you can ever get from a teacher who has no sense of humor and hates your life.

I got called Lacertilia by my teacher. I had to stay after school and clean the classroom.

My friend got called Lacertilia and laughed so hard he fell out of his chair.

My brother's teacher called him Lacertilia and he got a zero on his test.