when i take steps forward i bend my knee slightly farther than normal and also dip the shoulder on the same side down a bit, which creates a "bopping" motion. this is a display of condifence and is also part of a smooth swagger.
a reference to dividing ("splitting") ounces of cocaine into 1/8th of an ounce portions known as an 8-ball, and bragging about selling ("flipping") the entire supply you purchased or received from a supplier (probably a large quantity) in only 8 days.
years before his current jail sentence was issued, T.I. declared that he already had seven felonies and therefore did not care if a prosecutor brought charges against him and a court case began. he continues to have the same attitude as he serves time.