fadwingle
A fadwingle is when you use a big word to cover up the fact that you're doing something absolutely ridiculous.
'I was doing a fadwingle,' he said, while eating pizza out of a trash can and talking to his friend.
She told her mom she was doing a fadwingle, but she was just eating chips and talking to the dog.
He said he was doing a fadwingle, but he was just eating a sandwich and pretending to be cool.