Quite literally the nickname given to NBA player Stephen Curry due to his tendencies to make rather ridiculous yet accurate shots from beyond the 3pt line thus disrupting the horizon. Really is a marvel to watch.
Curry just made another 3 from halfcourt. Sky has been fucked yet again by the notorious skyfucker.
Verb; Transitive
To make a last stand against a group of people when outnumbered and on your own turf.
"The best part of Home Alone is when Macaulay Culkin skyfalled those burglars."
or
"In Sherlock Holmes: A Study in Scarlet, when Ferrier's house is surrounded, I wish he would have skyfalled those guys instead of running away."