Russian ÁÎÒÀÍ. The first vowel is accented. The word means an
excellent pupil or student who spents all his time
learning and reading books and, therefore, can't
get on with another guys and can't pick up with some girl.
Word "botan" has pejorative connotation.
It's mainly refers to male and implies that someone who is called so lacks in manhood and manliness.
The word is commonplace in russian student's conversations, talks.