The sound of running feet indicated that Sergeant Detritus was bringing some of the latest trainees back from their morning run. He could hear the jody Detritus had taught them. Somehow, you could tell it was made up by a troll:

“Now we sing dis stupid song!
Sing it as we run along!
Why we sing dis we don’t know!
We can’t make der words rhyme prop’ly!”
“Sound off!”
“One! Two!”
“Sound off!”
“Many! Lots!”
“Sound off!”
“Er… what?”

– Detritus trains new recruits | Terry Pratchett, Night Watch