shirttail

[shurt-teyl]

the part of a shirt below the waistline.

Journalism. a brief item added at the end of a related newspaper story.Compare follow-up(def 3b).

quite young and immature in behavior.

Chiefly Midland and Southern U.S. of distant relation, especially by marriage: some shirttail cousins I'd never met.

Informal. to append or add (an item) to a discussion or writing: The tariff concessions were shirttailed onto the trade bill.

Origin of shirttail

An Americanism dating back to 1835–45; shirt + tail¹

Tom opened one of the containers of water and dipped his shirttail into it.
Stand by for Mars!
Carey Rockwell
Then Penelope hobbled up and pulled Mark's shirttail out of his trousers.
You Too Can Be A Millionaire
Noel Miller Loomis