You can tighten your circle or boa constrict
Tightening your circle means limiting the amount of friends you keep.
The way he says the word boa sounds like the way some people say boy. A lot of men refer to their friends as their “boys.” Boy constriction would be limiting the amount of homeboys in your crew. Another way of saying the same thing in one line.
He nice with the homonyms.
A continuation of the “snake references” (see the King Cobra line), Lupe models himself after the boa constrictor, who “keeps it tight” by wrapping itself around it’s prey and squeezing it to death
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