The Rugrats was one of, if not the most popular kids cartoon during the 1990s. While the series is known for having plenty of moments that terrified kids, it also had its fair share of inappropriate Rugrats jokes. Back then, finding subtle adult jokes in cartoons wasn’t uncommon, but for some reason, dirty Rugrats jokes seem to have flown under the radar – until now. This list includes some of the adult jokes from the show that probably went straight over your head at the time. Now that you're older, you can finally understand what your parents were laughing about as you watched Tommy, Chuckie, and the gang go on their adventures.