Piboleur (m)
(with) definite article: leCotgrave explicitly labels it "Poictevin" [i.e. "of Poitou"], though the Pibole in his dictionary lacks that label; Godefroy mentions the plural form as a lemma, referring to Guillaume Bouchet, »Les Serrées«, vol.1, I (1635) as his source.
Cotgrave, Mr. Randle: A French and Engliſh dictionary […] with another in Engliſh and French. London, MDCLXXIII [1673].
Godefroy, Frédéric: Dictionnaire de l’ancienne langue française et de tous ses dialectes du IXe au XVe siècle (1881-1895).