Sentence:  At the same time, <WSD>Bilboesque</WSD> proverbs like "Every worm has his weak spot" and "Never laugh at live dragons" use the familiar proverb form to make the unfamiliar inhabitants of the secondary world seem more matter-of-fact. 
Meaning of the word marked with <WSD> tags:  Of, relating to, or reminiscent of the character (Bilbo Baggins) from "(The Hobbit)" and "(The Lord of the Rings)".