Beware if you wanna rock the Knickerbocker
Continuing with the “pants” motif, “knickerbockers” are a now-archaic style of baggy trousers
In addition, “Knickerbocker” has been used as a nickname for New Yorkers since Washington Irving’s 1809 History of New York was published under the fictional alias Dietrich Knickerbocker.
Basically, Lupe is warning the listener to not become engrossed by the lure of either the drug game or the mainstream music industry. And shouting out a famous New Yorker who is difficult to “Roc”.
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