Oh man.
Several years ago, before we were married, my now-wife and I were traveling in the motorhome we had at the time. I was driving, she was playing a game on her iPad or something. I look up, and off in the distance, going the other direction on the interstate, is a giant fiberglass cow. (That one happened to be for the Uddlerly Smooth cream.) I said, "Cow... cow... cow!" And she didn't look up until the cow had passed! I don't think she believed me.
Then, strangely, a few weeks later, we saw a Turkey Hill one, and I said... "Cow... cow... cow!" and she did look up that time. Then, a few weeks after that we saw another one in Florida.
Now, every time we see one (which is almost always a Turkey Hill cow, since we hang around Pennsylvania a lot), I say, "Cow... cow... cow!" Such as this one, lurking at an outdoor hockey game in Hershey, Pennsylvania (with my favorite flavor, too):
There's also a giant cow outside the Turkey Hill Experience in Lancaster, PA. I have pictures, but not online.