Threatens in example sentence
Of course Fred (Vince Vaughn) is the family screw up who comes home after a series of set backs that include his girlfriend (Rachel Weisz in a cameo role) dumping him, so he comes home to face his parents and his more successful brother Santa Claus (Paul Giamatti) and wacky high jinks follow with a bit of sibling rivalry and a bit of anarky as well that threatens all of Christmas.