fuck-me factor
n.— «Ever since Jagger emerged from a mechanical lotus flower in 1975, such audience-bewitching coups have been deemed essential to every Stones tour. They are known, in Stones patois, as the “f***-me factor.”» —“Band aid” by Robert Sandall Times (London, United Kingdom) Aug. 27, 2006. (source: Double-Tongued Dictionary)
Further reading
If you catch your blue jeans on a nail, you may find yourself with a winklehawk. This term, adapted into English from Dutch, means “an L-shaped tear in a piece of fabric.” And: What’s your relationship with the books on your...
Lawrence from San Antonio, Texas, wonders if spelling is a factor in the different meanings of awful, which describes something negative, and awesome, which describes something positive. Spelling doesn’t come into play here; in fact, for years...
Not to belabor the obvious, but that phrase, minus the “factor” appendage, is an interjectional slang term used when something has a “mind-blowing” characteristic, i.e. something which is stupefying, jaw-dropping, or in some other way causes a person to be overwhelmed by the stimulation of their sensory input.
It can also be made use of at times when people consider themselves to be in dire mortal danger and might doubt their chance or ability to avoid ultimate catastrophe–again, minus the “factor” appendage. The addition of the word “factor” simply refers to a situation where the condition comes into play.