on the street—
1. out of work; unemployed:
- This business is so subjective. My general manager could change tomorrow and I could be on the street.
2. (U.S. sl.) outside prison:
- A number of men who are heterosexual on the street practice homosexuality in prison.
on the streets—
1. homeless:
- These people were once in psychiatric hospitals and are now on the streets.
2. living by prostitution:
- This little girl had a sister who was on the streets and who was in the house of this bad woman.