Origin: rural
America. bastardization of the word particular-refering to the idea that all things are made of smaller parts, and by breaking or reducing
something into smaller or simpler parts one can understand it
better.
Roy "That old man is an asshole, he made me wash his
car twice-tah!"
Billy Joe "He's jus' perticular."
Roy "Whatever, his ass will
clean off his own red clay mud next
time!"