Now, blog posts can be substantive, and I think I've written plenty of wonky blog posts about tax policy in particular.
I thought he was explaining a wonky nuclear non-proliferation issue with an over-simplified chart.
There are basically two groups—the deniers on the one side or the wonky science experts on the other side.
"shaky, groggy, unstable," 1919, of unknown origin. Cf. German prefix wankel-, which has a similar sense. Or perhaps from surviving dialectal words based on Old English wancol "shaky, tottering" (see wench).
In a halting and unsteady way: We commended him on his performance and sent him wonkily tottering back onto the floor (1990s+ College students)
Redolent of policy, theory, discussion, etc: Greenberg felt that a wonkish tone had pervaded the transition (1990s+)