Slather her in barbecue sauce, tie her to a branch, put an apple in her mouth then roast her over a fire. She’d obviously start screaming like the fat piggy she is.
Then she would “feel bad.”
In the movie version of the Music Man:
Mayor Shinn:
Virtue has triumphed! The sword of retribution has cut down Professor Harold Hill!
And if there are those as I have heard, who are melting tar and collecting feathers I will not say them nay!
Marian:
Surely some of you ought to be grateful to him for what he’s brought to River City and if so I should think you’d want to admit it.
Mayor Shinn:
You’re wasting a great deal of time here. If there’s a person in this hall who doesn’t think this man Hill should be tarred and feathered, please step forward.