Wiktionary
tag end
n. 1 The very end. 2 Something left over.
WordNet
Usage examples of "tag end".
He rolled the tag end of his cigarette between his fingers until nothing was left but a small pile of tobacco shreds and a scrap of black paper.
Across from me, the tag end of the golf course was visible and the narrow artificial lake that served as a water hazard.
So here I am, at the tag end of everything, old memories and old nightmares all bundled into a neat sheaf of pages.
Kyla unwrapped the tag end of sandwich and took a bite to end the conversation.
Two days after leaving the tag end, it reached a spinning canister of a station in a pocket kept swept of dangerous cold matter.