a motion and attitude used to mock someone. Usually involves making a goofy ass face and bobbing your head around.
He looked at Dave, Dave bent down and gave him the dirtiest Honky Knocker I have ever seen.
its a very light backhand slap to the forehead..
this causes ones eyes to squint briefly --like a jap or chink.
its more to get their attention than to punish..
when the ole lady gets things backwards once again-
a quik jap slap sometimes gets her to focus on the issue..