She's the one, the only one, built like a Mahka Mih shawn

The story:

Um, well, my husband is the one who finally corrected me. We were listening to the radio, and I was singing loud and proud, and he fell on the floor laughing. I was mortified, because I thought it was my singing, but when he asked me what a mahka mih shawn was, I was so humiliated!
I didn't know what it was, but I just knew that the Commodores knew what it was!