The story
From hard + core: hard to the core; 1936 (n.); 1951 (adj.)
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Having an extreme dedication to a certain activity. Full definition →
From hard + core: hard to the core; 1936 (n.); 1951 (adj.)
Etymology from Wiktionary, CC BY-SA 4.0.