The phrase "we had to annoy her by whizzing a pebble into her flowers" contains an onomatopoeia.
Answer:
I think it might be the second one....
It means he is making a rude gesture.
A simile is defined as "<span>a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid" Based on this, it might be said that there is a comparison between the narrator and two birds. It might be understood that he tends to use things from other people and he gives them credit for. </span>