1v. exert oneself in order to succeed or get ahead.
1889  We have the making of a good club, and with practice they will make the other clubs in the Territori[e]s hustle.
1911  (1914)  A fellow's got to hustle a bit if he's going to make good in this blamed country.
2v.Slang be employed in selling or serving (something); sell (something) in an aggressive manner.
1887  She hustled the hash at Gilhooley's on Blank St.
1894  Almost every second man you meet is said to be a university man, or the son of some high and mighty family at home, and is now either 'hustling lumber' or farming at four or five dollars a week.
1902  Some weeks ago we took a run down to Macleod to hustle up business for The Eye Opener.
1963  Canadian Pacific Airlines chief Grant MacConachie is not above hustling tickets on his airline.