a native or inhabitant of North Carolina (used as a nickname).
Origin of Tar Heel
An Americanism dating back to 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for tarheel
But grassroots Tea Party groups in the Tarheel State are not so sure.Tea Party Prepared to Fight the GOP Forever, Even After Tuesday’s Losses|David Freedlander|May 7, 2014|DAILY BEAST