noun the last part or remainder of something
In textiles, 'fag end' refers to the loose end of a piece of fabric, often considered to be of lower quality or less desirable.
Colloquially, 'fag end' can be used to refer to the last or remaining part of something, often with a negative connotation.
In the context of smoking, 'fag end' is a British slang term for the butt or end of a cigarette.
In the literary world, 'fag end' is used to refer to the conclusion or the last part of a story or a piece of writing.
Psychologists may use the term 'fag end' in a colloquial sense to describe the tail end of a therapy session or a research study.
Historians may use 'fag end' to refer to the end of a historical period or the final stages of an event or era.
Fashion designers may use 'fag end' to describe the finishing details or the final touches of a garment or a collection.