The story
Effing is for "f'ing", a euphemism for fucking; blinding is related to blimey, i.e. "God blind me!".
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: swearing, cursing. Full definition →
Effing is for "f'ing", a euphemism for fucking; blinding is related to blimey, i.e. "God blind me!".
Etymology from Wiktionary, CC BY-SA 4.0.