language characterized by circumlocution and jargon, usually hard to understand
Used in a sentence:
"Mommy, Scott was being mean and calling me all kinds of gobbledegook instead of going to sleep like you told him to and theng he he he..." (sentence cut short for sake of space and sanity).
Being a wise new bride, I immersed myself in college football gobbledegook in order to communicate with my husband more effectively during the fall and winter.
****Editor's note: According to my dictionary, a fun and appropriate synonym of gobbledegook is mumbo jumbo. Now that's a synonym with some real possibilities!