noun. The loose back part of a coat that hangs below the waist.

noun. The skirts of a formal or dress coat.

idiom. (on the coattails of) As a result of the success of another.

idiom. (on the coattails of) Immediately following or as a direct result of.

noun. the loose back flap of a coat that hangs below the waist.

noun. The flap at the back of a coat that hangs down, sometimes below the waist.

noun. Success of a figure, organization or movement that transfers to those who associate with it.

noun. the loose back flap of a coat that hangs below the waist

"She had been laughin 'at a man 'cause his coattail was a-flappin' so funny whilst he was dancin ', and dem two Jezebels thought she was makin' fun of dem."

on the coattails of  ride the coattails  

flap