What is the significance of the simile comparing the “somebody” to a frog?

It contributes to the boastful image of the “Somebody.”

she could put on music that makes her sleep

the primary theme of "elegy written in a country churchyard" is a reflection about the significance of the lives of a group of modest people buried in a rural church cemetery. elegies focus on the death of an individual or group of people, and they generally have a melancholy tone. hope this you all.