1. [1920s–40s] (US Und.) to fail, esp. in the commission of a crime.
2. [1930s+] (US) to disdain, to disparage.
3. [1930s+] to lower; to lose status or job seniority.
4. [1940s+] (orig. US black) to cause problems for another person’s plans or actions.
5. [1950s+] to insult, often by ritual insults directed at the other person’s mother; as n., an insult.
6. [1990s+] (US campus) to ridicule.
[1940s] (US Und.) to blunder in the operation of a confidence trick.
[1980s+] (US black) to beg for help, to surrender to pressure, to behave badly or weakly.
[1930s+] (US black) to obstruct deliberately another’s sexual advances.