dittohead

Meaning

Noun

• A devotee of Rush Limbaugh, his radio program, or his opinions.
• Someone who mindlessly agrees with an idea, especially those who agree only as a supporter of a person who expressed the idea.

Origin

• ditto + -head, coined by callers to Rush Limbaugh's radio show who begin their remarks with "Ditto!" or "Dittoes!" to concur with a previous comment without restating it.