My parents used to use the phrase "naked as a jaybird". So when I first heard 'jay-walking' I thought they meant someone was walking down the street naked.
A childhood belief about criminals

others believed things like this
- I used to believe jaywalking meant walking around naked in public (from naked as a JAY bird...)— Izzi
- I used to believe that jay walking was walking naked on the street. — Kendra
- i used to think the song "walking in a winter wonderland" was "walking in a womens underwear"— stephen s
- If you step on the cracks in tiles when walking through a street, fairies will die.— Maddie
- I used to believe that showing my bare arms meant that I was naked, so I never wore short sleeves as a kid. Anon
- Well I once believed that when someone was home alone, they'd walk around naked..Anon