Stuff (one's) head full of (something) informal verb phrase
To make someone believe, think about, or be concerned with an idea or belief.
Don't stuff Jane's head full of silly ideas. She is too young to understand them.
You shouldn't stuff your children's head full of your revenge. I'm sure you will regret later.
Amanda has stuffed her daughter's head full of becoming an actress since she were small.
to say or reply something without having thought about it or knowing whether it is corect
To think carefully and seriously or ponder about someone or something
To help or convince someone to begin thinking reasonably (about something).
To think about an issue or possibility thoroughly and without haste.
The verb "stuff" should be conjugated according to its tense.
Nothing but fortunate chance
I won the lottery by blind luck yesterday.