Lighthearted 
When I was 9 I was asked to give a school reading in church. So, off I trot feeling all proud and pleased. Nerves kicked in as I started to read in front of the large church congregation, and, not recognising the word 'monk' in the text given to me, I said monkey instead whenever it came up. And it came up a lot.
Yes MN, I stood in church talking about how monkeys liked to go for long walks, often sang together, and how monkeys felt especially close to god.
Rows of open mouths gawped back at me as I finished with a big triumphant smile. The school were not sympathetic. I was only little!
Anyone else got a good faux pas? You'll feel better for sharing 