Simile and Metaphor

Watch Me Sink by Have Heart
"Watch me sink like a stone like a stone like a stone like a stone"
This is an example of a simile because he's comparing himself to a stone using the word like.

My Commitment by The Mongoloids
"But staring down the belly of the beast isn't as easy as it used to be."
This is an example of a metaphor because its comparing life to a beast and staring down the belly of the beast means accepting life's challenges.