m-
For something to be heaped up in a mound or piling up
to overflowing.
Pisan da siang minobong ong planggana tang
taralpoan mo.
The clothes you have to wash have really piled
up in
the washbasin.
magpa-
pa--on
To fill something up in a container until it is heaping.
Paobongon mo mga paggantanga ta kasoy.
Fill
up
to
heaping when you measure cashews.
Cashews and cassava are filled up to heaping in a wooden
container, called a gantangan, when measured out to be sold,
whereas rice is not.