Noun
peckerhead (plural peckerheads)
(chiefly US, derogatory) A dickhead: an unpleasant, stupid or mean person.
Synonym: dickhead
I dunno what this peckerhead thinks he's doin' but he's about to fall off that bridge.
peckerhead (plural peckerheads)
(US) An electric motor's terminal connection or wiring box.
Synonyms: pecker, T-box