flickertail, n. — Green’s Dictionary of Slang

flickertail n.

[dial. flickertail, the ground squirrel, the state’s best known native animal]

(US) a native of North Dakota.

1946		McWilliams Southern Calif. Country 172: North Dakotans are ‘flicker tails’ [HDAS].
[2006		mag. title The Flickertail Journal Celebrating the Progressive Spirit of North Dakota ].