Wiktionary
nod through
vb. (context transitive English) to listen to, or endure something, nodding in agreement without making comment.
Usage examples of "nod through".
Grady said to Bell, with a nod through the greasy window into the interview room.
I was too stunned to do much more than nod through the following offer.
I was beginning to think there was nothing you wouldn't nod through.