FOUND! “Open Open Open.”
One thing about the internet is if you wait around long enough, eventually something you’re looking for will get uploaded onto youtube. For years I quoted the “open open open” lady from the Mervyn’s ads in certain contexts (like looking through a glass window) but eventually people stopped laughing and instead looked at me strange, they had no idea the reference.
I finally found the Mervyn’s lady!
and again here:
Ok, they’re not THAT funny, but they were pretty ubiquitous in Atlanta in the early 90s, so I’m glad they finally turned up. Now if I could just find that Pioneer laserdisc karaoke version of Charlene’s “I’ve Never Been to Me”……