Hi! Peter here to explain the mene. Since all the other answers are wrong, here's the actual answer:
Top means the person who penetrates the other (the bottom). The term originates from gay sex, since there it can be very important who is penetrating who. But it can also be applied to other sex (not just homosexual cis men). In the meme above, the implication would be that l
Lois uses a strap-on or other kind of dildo to penetrate the delivery driver.
Top often, but not always goes hand-in-hand with domination (dom/sub). Hence the dominatrix-like outfit Lois is putting on.
Klok is a Dutch beer, where a common meme is "een man van cultuur drinkt zijn Klok op kamertemperatuur," i.e. a man of culture drinks their Klok at room temperature.
It doesn’t bother me one bit if people want to use a word to mean something different to them. It changes nothing in my relationships what they do or say.
What I do hate is your complaining about a group of people based on their sexuality. Seems so bitter.
It's heteronormative if you equate topping with being dominant.
Dancing is typically heteronormative because there's a standard (that's enforced for competitive dancing) that the man leads and the woman follows. And you can absolutely follow this as a same sex couple by assigning femme and butch roles and having the femme follow and the butch lead. But you can also switch it up, even while dancing.
When someone talks about heteronorms it's not about straight people. Of course toxic masculinity and ditto femininity is sad but the goal is not to reproduce that for queers, not too change what the straights are up to.
Wait, can you not be a hetero top or a hetero dom?
I... don't see how it is heteronormative to use an image that evokes sexual acts... to... imply a sexual interpretation of a typo.
Its... just a way to use a more SFW, recognizable meme.
Like, they could have used ... whats her name, Anhka, from that Animal Crossing porn anim that went viral a few years back, very obviously topping someone... but that would have been a lot more explicit.
Lois is also like, in the act of suiting up, with a non plussed, unenthusiastic expression, implying that ... there is a job-like aspect to this, yet another dumb charade/performance demanded by society to keep participating in it.
Sometimes, to some people... topping just means you are literally, physically on top of them.
Sometimes, it means you are doing the physical penetrating.
Sometimes, top/bottom are the same as dom/sub... to mean authoritative vs submissive...
But you have terms like power bottom, and service top.
A power bottom is physically underneath the partner, but doing almost all the work, and is often also in the authority position.
A service top is physically on top, and/or doing most of the strenuous/penetrative physical work... but they are actually submissive, subervient to the other partner, who is authoritatively directing all their actions.
The vocab for all this is still quite varied and usually only standardizes fully amongst geographically constrained areas, as you would expect with what is basically a set of slang terms.
Then, there's most of the rest of the world where neither of those words mean anything, heteronormative or otherwise. I guess have heard of topping pot plants, though...