Another annoying part of that was her incessant Bobble-head 'head-bob'... up and down, up and down, up and down.
A lame effort to look interested and concerned, but I suspect it was really to try and keep from nodding off.
“Another annoying part of that was her incessant Bobble-head ‘head-bob’... up and down, up and down, up and down.”
You got that right! Just like the spring-loaded figures in the back windows of Asians cars!