To steal a small or insignificant object, or to steal something that belongs to someone who will not care upon discovering that the object was stolen. The definition denotes theft, but maybe not morally wrong theft.
"I scaffled a donut from Bob, he had too many to eat anyway."
"Fred scaffled that half-empty can of spray paint."
To stab someone in the eye with a dull pencil or pencil eraser.
Can be used in the past tense. Scaffled.
Tom through a paper at me so I scaffled him.
Dude, why's your eye bleeding? Did you get scaffled?