Toilet Seat Trivia

Where did the saying "Just got beat by a toilet seat come from"?

First, lots of people in bigger boats were getting beat by this boat with a weird shaped "O" icon. The story is that the "O" was produced by tracing a TOILET SEAT. I always thought the reference had to do with how you had a similar sensation from sitting on a toilet seat for a long time as you do from sitting on the various rails of the O30.