Once in a while, Mayim Bialik drops a Yiddish word and explains it. Today, the Yiddish word was schlemiel (and schlimazel).
Take note that Schlemiel Theory is the biggest repository of scholarship – literary, philosophical, and cultural – on the schlemiel (with over 400 essays/posts and over 6500 followers).
Here is a post I did on Mayim back in 2017.
Here is the Facebook Post.