Define crestfallen in your OWN words (detailed definition please)

Feelings of shame and disappointment in oneself, humiliating. As in making a horrible mistake, realizing it and feeling crestfallen, humiliated, disappointed, shame, sadness, discouraged.

Examples: After failing my exam I was crestfallen. When I argued and realized I was wrong I was crestfallen.

Explanation:

grunge

(you didn't attach a copy of the poem, but i'm answering as best as i can)

since a simile compares two unlike things using like or as, it kind of gives an item the ability to do something it can't.

example: "the player was like a tiger on the field"

in this sentence, the simile conveys the idea that the player was fast and strong, like a tiger.