Definition

Either the baseball bat-wielding character from Quentin Tarantino's 'Inglourious Basterds' or the verb meaning to administer a thorough beating with said sporting equipment. Pop culture has effectively turned a WWII revenge fantasy into a multipurpose term for extreme physical confrontation.

Example Usage

After watching Inglourious Basterds for the tenth time, Marcus kept quoting the Bear Jew's lines at poker night.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=Bear%20Jew&defid=5221507)