The year 2019 saw the prolific creation of memes, including tweets about feral hogs, an inescapable Baby Yoda and the now-infamous Kidz Bop Karen.

Viral memes may come and go, but bops are forever. So it goes for "Baby Shark," the children's song that somehow managed to enter the Billboard Hot 100 chart this at No. 32, besting tunes by the ...