The clear hidden wink and nudge is “clearly this means she’s obviously 100% a plant from that side!” What else was said in that speech? Maybe show a whole 3-4 minutes? But that would be boring and you can’t do the whole show a fast snip and then wink wink at your audience about “aha but we all know what this really means don’t we folks!
/u/Choperollo describes something for which we have no name and would not be accurately described as a dogwhistle but still shares some similarities and is now common/prevalent enough that we would perhaps benefit from being able to refer to it by name to discuss it.