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"Chip the glasses and crack the plates!
Blunt the knives and bend the forks!
That's what Bilbo Baggins hates-
Smash the bottles and burn the corks!
Cut the cloth and tread on the fat!
Pour the milk on the pantry floor!
Leave the bones on the bedroom mat!
Splash the wine on every door!
Dump the crocks in a boiling bowl;
Pound them up with a thumping pole;
And when you've finished, if any are whole,
Send them down the hall to roll!
That's what Bilbo Baggins hates!
So, carefully! carefully with the plates!"
The Hobbit pg # 13,
This quotation makes me think that the dwarves were trying to get Bilbo's goat (a metaphor) by singing this song while balancing stacks of dishes in one hand after already arriving at Bilbo's house unanaunsed and uninvited for breakfast/tea,