You better get it clean good ‘cause this the last straw
“This the last straw”
Is a phrase for this is the last time that ____ will happen.
However, he is using this phrase as a metaphor saying that if you need a straw because you’re in a public restaurant, that that will be the last one. So if it’s not clean, then you’re out of luck. Much like his approach to the rap game, due to his skills in rapping other rappers are out of luck.
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