Lets write a Limerick, one line at a time.

[Mups]

While digging over some ground
A tiny box under the Roses, Ron found
It looked like real gold
He opened it-and behold 
'Twas a tooth from someone's old hound.

[Scrumpy]

Wally sat in the dentist chair
'Open wide- let's look down there'

[Mups]

Wally sat in the dentist chair
'Open wide- let's look down there' 
But the dentist gasped 
Then suddenly asked -