1. [mid-19C; 20C+] (orig. US) the floor, the ground.
2. [mid-19C–1950s] the roof of a train or stagecoach.
3. [1950s] (US black) the street.
1. [1910s+] to get up from one’s bed.
2. [1920s+] to fall down, to throw oneself down.
3. [1920s+] to go to bed.
4. [1930s+] to be poor.
5. [1950s+] (Aus.) to pay for a round of drinks.
SE/sense 1 above, in slang uses
1. [late 19C–1910s] on the schedule, scheduled.
2. [late 19C–1910s] alive; conscious.
3. [late 19C+] available, prepared.
4. [1940s] present.
[1920s+] bankrupt, without funds.