—used as a euphemism for fucking—used especially as an intensive
"Shit, Bellinghausen, this is the stupidest effing stunt you've ever pulled," and we're off running again … Douglas CouplandMabel is absent for most of the story, but is unforgettable. "You're all effing mad", she shrieks at the five new guests … Carol Ann DuffyOn the flip side, I once received an effing cool email from Josh Brolin … Lisa Schwarzbaum