Everyone knows that his woman is the baddest out there. He’s never shy and is always showing her off. This is a change of tune from four lines back when he calls the other women “2’s.” He now says that all the other women are 10s (dimes) but his girl is a “tollbooth.”

Traditionally, people throw money into a toll booth so they can use certain roadways. This would imply that his woman is equal to the accumulation of change (specifically multiple “dimes”)
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