The word "光棍儿" is formed from the character "光" meaning bare or naked, the character "棍" meaning stick or rod, and the suffix "儿" which is a colloquial retroflex ending. Literally combining to mean "bare stick", it metaphorically describes an unmarried man, implying his solitary condition akin to a plain stick without attachments. The suffix "儿" informalizes the term, reflecting its common usage in Northern Mandarin speech.