When i was little i didn't understand the phrase 'one for the road' i thought it was some good luck ritual to pour a drink on the road before u drove.
A childhood belief about drinks

others believed things like this
- I used to believe that if you drove over a banana peel the car would slide off the road.Anon
- i always thought that a DEAD END sign
as where they put all the road kill.
— pav - I thought when a road sight said Dead End that someone had actually died there.Anon
- I thought you were supposed to drive down the center of the road.— Cassiopeia
- I used to see "End Road Work" signs, and thought they were a sort of protest.— Sebastian
- I thought a highwayman was just someone who helps pave the road and stuff like that— Nate