Definition & Meaning of "schlub"in English

What is the origin of the term "schlub" and how is it used?

"Schlub" is a slang term that appeared in English in the mid-20th century, likely derived from Yiddish shlekh or schlepp, meaning something like "clumsy" or "sloppy person." It describes someone who is unattractive, lazy, socially awkward, or lacking energy and ambition. The word conveys mild contempt or playful mockery rather than severe insult. It is used in informal speech, humor, and popular culture to lightly criticize or tease someone's appearance, habits, or demeanor. The term is derogatory but generally mild and often humorous rather than deeply offensive.