root word: libag (dirt on the skin)
malibag
grimy
grimy
Malibag ang batok ko.
My nape is grimy.
The grime being referred to here is the dirt and that outermost layer of skin that First-Worlders proactively scrub off.
Malibag ang likod ng manggagawa.
The laborer’s back is thick with dirt and dead epidermal cells.
