I didn't get the Slovakia thing. So, I did a search...
-Renegade
No, I didn't get the Slovakian thing either. My 13 y/o daughter was told the joke by her Iranian friend (a girl), who apparently was told it by the Croatian father of one of her friends, or something.
I did a DuckGo search and after wading through the results I came to the conclusion that Slovaks seem to sometimes be the default nation to be the butt of jokes in some (mostly European?) countries. As far as I could determine, a lot of the jokes seemed to denigrate the Slovaks and were thus not very nice, but this one could be atypical because, whilst the implication would seem to be that Slovaks can't even tell a funny joke, the idea that a penguin might say "Radio"
a propos of nothing, to another penguin standing nearby is preposterous, and therefore
could be amusing. Anyway, for that reason, my daughter decided it was quite funny in and of itself and told it to me. My initial reaction though was "Huh? I don't get it."
I'd been sorting out my jokes database a bit today - hence the two golfing jokes - and thought I'd toss in the Slovakian one to see the effect, because it's kind of a case in point regarding what I wrote above:
...We all have different paradigms - e.g., I only belatedly got @crabby3's rather clever photo joke about the cat's headstone. ...
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-IainB
I wouldn't save the Slovakian joke into my database, because it didn't make me larf.
By the way, I thought "the bridge named Chuck Norris" was quite amusing.