1. [mid-19C+] (US) a tramp, a vagrant.
2. [20C+] (US) a term of abuse for anyone unpleasant.
3. [20C+] (boxing) a poor, incompetent fighter; similarly used of a racehorse.
4. [1900s] (US Und.) a travelling thief.
5. [1910s] (US) a worldly, promiscuous man.
6. [1910s–20s] an incompetent sportsman (other than a boxer).
7. [1920s–50s] something worthless or unsatisfactory.
8. [1920s+] a general term of address, as often affectionate as hostile.
9. [early 19C; 1920s+] (US) a promiscuous woman; a prostitute [pun on sense 1, i.e. tramp and tramp n. (2)].
10. [1920s+] (US) a fan or obsessive; usu. of a specified sport, e.g. scuba bum, surf bum.
11. [1930s] (US Und.) an experienced criminal.
12. [1940s+] a semi-professional athlete who makes a living training others rather than entering high-grade competitions, e.g. tennis bum, ski bum, surf bum.
13. [1960s] a thug, a member of a criminal gang.
14. [1970s+] an incompetent.
[1990s+] (US black) a derog. term for a young street girl.
[late 19C–1920s] a drunkard.
1. [late 19C-1910s] a saloon or liquor store, the image is of the creation of vagrant alcoholics .
2. [late 19C-1930s] a cheap hostel.
3. (1920s-30s) a mission.
[1920s] (US prison) the prisoners who perform the most unpleasant tasks.
see separate entry.
[1980s+] (Aus. prison) the van that transports prisoners to prison.
1. [mid-19C+] travelling as a tramp or beggar, scrounging, cadging.
2. [late 19C] looting.
3. [20C+] penniless.
1. [20C+] to make someone look a fool.
2. [1920s] to make a mess of, to do badly.
1. [1920s+] (US) to beg from someone.
2. [1970s] to interfere, to harass.