JPlop Goes the Weasel's title is a pun on an English nursery rhyme that is often played by what toy?
Pop Goes the Weasel “Pop! Goes the Weasel” is an English nursery rhyme and singing game. It has a Roud Folk Song Index number of 5249. The jack-in-the-box children’s toy often plays the melody.
Tom Swifty A Tom Swifty (or Tom Swiftie) is a phrase in which a quoted sentence is linked by a pun to the manner in which it is attributed. Tom Swifties may be considered a type of wellerism.