Similar to how we drink
Many people drink to get rid of problems. In a similar fashion, Nas kills to sink his problems. All of this fits into the the thug lifecycle being described.
By introducing this comparison to drinking, Nas adds extra meanings to two words:
Canal: It was literally a canal in the previous line, but the word now becomes metaphor for throat, which is medically known as the alimentary canal.
- The body sank in the canal.
- His problems would sink with the death.
- Now, ‘sink’ also refers to the alcohol sinking down your throat.
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