change-the-subject
to bring up something else when you know your tail is in trouble or to forcrudate someone's subject to throw them off their topic. See forcrudate
Example:
I did the ole' change-the-subject in the middle of my story about why eating worms was delicious as I noticed people were getting disgusted with me.
I did the ole' change-the-subject in the middle of my story about why eating worms was delicious as I noticed people were getting disgusted with me.