Stockpile
/ˈstɒk.paɪl/
Slang Meanings
To be overly prepared or cautious regarding supplies.
He's such a prepper; he loves to stockpile like there's going to be a zombie apocalypse.
To gather excessively, sometimes humorously.
After the news of a potential storm, she was stockpiling snacks like it was the end of the world.