Nalindrome
A word that's not a palindrome and it's the worst thing to ever happen to words.
My teacher said, 'Palindrome!' I said, 'Nalindrome!' She gave me a zero.
In a tweet: 'I'm a palindrome. You're a nalindrome. I win.'
I asked my dog if it was a palindrome. It barked. I said, 'That's a nalindrome.'