KaDoodleNoodle
A brain part you need to remember stuff. If it’s messed up, you can’t remember anything, and surgeons get mad because they have to fix you.
My KadoodleNoodle was fried after I forgot my password 10 times in a row.
He got his KadoodleNoodle fixed because he forgot how to brush his teeth.
She forgot where she lived and had to get her KadoodleNoodle replaced.