Obviously regional commercials are the worst, and regional radio commercials take it to a ho nuvva level, but the ads here in Cali for Mike Diamond the Smell Good Plumber are the hands down cringe inducing king of the WOAT. You couldn't make worse radio ads if you were purposefully trying to parody a terrible ad. Here are three of them, the first one being their main one that's been playing for years:
https://m.youtube.com/watch?list=PLs...&v=ih0H_iOw-dw And these play during literally almost every commercial break on many of the main stations. The only saving grace is that since I've heard them so many times, it's fun to speak along with them when they come on, mimicking the lifeless, uninspired line delivery of the main guy, Mike Diamond himself, annoying my poor wife out of her mind while she sits in shotgun helplessly held hostage to the terribleness of it all.