My bad, that made me giggle. I know, not funny at all at the time. I'd have been mortified. What on earth did you dig out of a cow pie 30 years ago?
Not sure this is what Kenna means, but for my take on it I believe this might help you understand:
sometimes I feel like a MUSHROOM, everyone keeps me in the dark and feeds me full of cow poop (substitute the s word for cow poop for the correct saying....)
But I could be wrong......
Sillly... Silly Cy...