"What is a 'Kuni-Leml'? Nahma Sandrow couldn’t believe the question. 'It’s like discovering spring or summer,' she replied. 'You can’t avoid it.' Nor should you try. A Kuni-Leml, it turns out, is the name of a lovable person--a poor schlemiel with a hump, a limp and a stammer who is also a leading character in a classic Yiddish farce by Avrom Goldfadn, widely considered the grandfather of Yiddish theater." (source)

"In my travels attending international education conferences across the world, I have observed two other kinds of idiot: the infamous kuni leml...and the notorious nudnik..." (source)