bobblehead

Etymology

From bobble + head. Sense 3 derives from a common gesture found in South Asian cultures, most notably in India.

noun

  1. A collectible doll with a bobbing head.
  2. A thoughtless person.“Muzzling Kelly also elevates a semi-professional obscurantist to the status of free speech martyr, and that invites a cacophonous pile-on from the rightwing bobble heads who screech about the left’s obsession with identity politics while shovelling identity politics at their audiences.”
  3. An Indian.