swiggity swooty commin' in for that booty
The action of an extremely smooth male picking up a female based solely on her posterior end.
Guy 1: "Look at that fine ass!"
Guy 2: "I'm gonna slide in, swiggity swooty commin' in for that booty."
Guy 2: "I'm gonna slide in, swiggity swooty commin' in for that booty."