paperhoard
verbUK /ˈpeɪpəhɔːd/
US /ˈpeɪpərhɔːrd/
To save lots of paper things instead of throwing them away.
She likes to paperhoard old magazines and receipts in boxes under her bed.
OTHER MEANINGS
2. To keep too many documents and papers in a messy way.
His desk was paperhoarded with years of unpaid bills.
3. A large, messy collection of papers kept by someone.
The attic was a paperhoard of letters, maps, and old newspapers.
4. To gather printed materials obsessively for possible future use.
He paperhoards every brochure he finds at conferences.