A frustrated woman that regrets marrying her deadbeat husband and having kids and vents all of her issues on her students by giving irrelevant work that does not progress their intellect.
Or
The one that never sleeps in order to maintain the student's assigniments as much as possible.
Our teacher is a loureiro.
Loureiros can be annoying especially when they don’t sleep enough.
When you’re doing something unrelated to your class, in class
Me: Hey teacher, do you mind if I pull a Loureiro today
To be in class doing unrelated things
Are you going to pull a Loureiro?