hamstra

hamster +‎ -a, a calque of German hamstern, used in Swedish since the Great War 1914–1918, cognate with Danish hamstre.

hamstra (present hamstrar, preterite hamstrade, supine hamstrat, imperative hamstra)

to hoard or gather, to stock up, to collect (large) stocks for later use (like a hamster hides food in its cheeks)
I Stockholm uppstod en utpräglad knapphet i fråga om mjölk och fortsatt kaos på smörmarknaden, där förut hamstrat smör kastades in och nya partier hamstrades.
In Stockholm arose a certain shortage of milk and continued chaos on the market for butter, where previously hoarded butter was sold off and new batches were hoarded.

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