When I was about 7, I had found some condoms in my parents bedroom, and I brought it up to my dad asking him what it was. He had me convinced that they were "water balloons" so I filled them up with water and threw them at passing cars, not knowing what I had done until years later.
A childhood belief about condoms

others believed things like this
- I used to believe that condoms were rare expensive water balloons— Andrea
- On family road trips, my parents always told me that water towers were filled with chocolate.— Edith
- I used to believe that fire trucks were filled with water. — Renee
- i used to think the water tower was filled with milk— jen
- When I was 8 or so, I thought that condoms were just high tech balloons.— Jess
- I used to think that condoms were those special balloons clowns manipulate, turning them into poodles and such— Ai