The Collaborative International Dictionary
Tag-rag
Tag-rag \Tag"-rag`\, n. & a. [See Tag an end, and Rag.] The lowest class of people; the rabble. Cf. Rag, tag, and bobtail, under Bobtail.
If the tag-rag people did not clap him and hiss him, I
am no true man.
--Shak.
Wiktionary
tag-rag
n. The lowest class of people; the rabble.