Someone (mang-) rubs or scrapes off something as dirt, skin, paint (-en) on the surface of something (-an).
Manggasgas si ādi so pintor.
Younger sibling scrapes off the paint.
Gasgasen mo laposaya do kokod mwaya.
Rub off the dirt on your foot.
Gasgasan ko tanoro ko do bato.
I rub off (the dirt) on my hand with the rock.
gagasgas
A scraper.