One of my stupid friends didn't know what a blow job was until 8th grade. She thought it was an insult and went around calling people "blow jobs". Needless to say, she got some pretty wierd looks.
A childhood belief about oral sex

others believed things like this
- I used to think that blow-jobs happened when you got fired from a job— MeGaN
- I used to think that if you didn't blow your nose and just sniffed the snot up, you head would blow up.Anon
- I used to think blow jobs were when you held a penis and blew on it. Of course this was when I was 12.— Marisa
- i used to believe that a blow job was when you got payed to blow up ballowns— blown away
- I was told in first grade that if you fart burp and sneeze at the same time you would blow up— bob doodle
- I used to believe that when people got shot in the head that their heads would blow up. — Emily