"Of course if she's really fallen for that nebbish, she won't listen to a thing you say." (Braided Lives by Marge Piercy)
"In that fancy restaurant, they gave him the table next to the bathroom and he didn't say anything. That nebbish!" (JPS)
"You can be a neb for divorce, infertility, poverty, disability, ugliness or any number of reasons. Let's brainstorm how to recognize that a neb is still a Tzelem Elokim." (source)