lone-wolfing en · NOUN
Etymology
From lone wolf + -ing.
Meanings
-
(uncountable) The practice of operating on one's own, not as part of a team or organization.
You'll never mix in. You'll be a lone wolf. I seen that right off. Wal, if a man can stand the loneliness, an' if he's quick on the draw, mebbe lone-wolfin' it is the best.
1915, Zane Grey, The Lone Star Ranger: