Sentence:  He <WSD>puggled</WSD> around in the oil cavity with his little lead pencil until it slipped out of his fingers and went down into the oil cavity. 
Meaning of the word marked with <WSD> tags:  To poke around a hole with a stick, as to explore, remove obstacles, etc.<ref>'''1863''', John Mounteny Jephson, "The East Saxon Dialect", "Transactions of the Essex Archaeological Society", Volume 2, page 186 — '''Puggle''', "v"., to poke out, as to '''puggle''' the ashes, a drain, or anything that is encumbered with rubbish.</ref>