An old man, typically a nursing home escapee, who stands on the streets of urban areas and swings his genitalia from side to side. When confronted by the cops, he usually runs away. A popular trend for the elderly in the South Eastern U.S.
Kid: Mommy what is that old man doing?

Mother: Look away Jimmy, it's a Street Swinger!
by IIIIEFIUOHEOWIUFHJAIL June 15, 2020
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