I used to think Stevie Ray Vaughan said "At nights I go shopping" instead of "And that's a cold shot, baby" in the song "Cold Shot". I didn't figure it out until pretty recently, and I'm 27.
A childhood belief about misheard lyrics

others believed things like this
- I used to think Stevie Ray Vaughan’s “That’s a Cold Shot Baby” was “Let’s Go Shopping”Anon
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon
- i used to think in the song "hit me with your best shot" was really "hit me while i'm on pot" yea.... i suck!!— Donna
- I thought the song "Hit me with your best shot" was "Hit me with your pet shark"Anon
- I used to believe that when you were fired, you were shot.— Murray
- If you get shot with a GAMMA RAY you get really strong. — Tiff