"Whatchamacallit" is a term that can refer to different things, depending on the context. Here are some possible meanings:

• Candy bar: WHATCHAMACALLIT is a candy bar made of peanut butter crisp, caramel, and chocolate.

• Placeholder name: "Whatchamacallit" is a placeholder name used for something whose name is unknown or forgotten.

• Unknown object: "Whatchamacallit" is a slang term used to refer to something that is hard to classify or whose name is unknown or forgotten.

• Store name: WhatchamaCallit is the name of a boutique in Dallas and Fort Worth that sells prom, pageant, evening, homecoming, or special occasion dresses.

In summary, "Whatchamacallit" is a term that can refer to a candy bar, a placeholder name, an unknown object, or a store name.