pill up
Advanced (C1)neutral
to build up into a lot
"Snow had pilled up against the garden gate overnight."
Hear it in context

Dr. Rhonda Patrick: Maximizing Healthspan with Exercise, Sauna, & Cold Exposure
FoundMyFitness · 0:00
If you could pill up what vigorous intensity exercise does,

Dr. Rhonda Patrick: Maximizing Healthspan with Exercise, Sauna, & Cold Exposure
FoundMyFitness · 2:34
if you could pill up what vigorous intensity exercise does,

Why Vigorous Exercise Is 4–10x More Effective Than Moderate (New Evidence)
FoundMyFitness · 73:47
I mean, you just That's why you can't pill up exercise.