In my case I’ll say either Bloodhound Gang’s The Bad touch or Aqua’s Barbie Girl.
I mean… what the hell is “hanky panky”.
But for bonus points, I did also sing “take a walk on the wild side~” with no flying clue what “giving head” was supposed to be.
When I was a kid, Strokin’ by Clarence Carter was a super popular wedding song (at least where I grew up) and it had a fun line dance so we all knew every word and had no idea what it was about.