Sentence:  It's always fun when something massive comes along and sweeps the board, giving everything else a thoroughly good kicking – think Titanic, The Silence of the Lambs, or Lord of the Rings. There's a sort of deranged, gluttonous feeling, a perverse glee in seeing so many dreams trampled on by a massive cultural <WSD>juggernaut</WSD>. 
Meaning of the word marked with <WSD> tags:  A literal or metaphorical force or object regarded as unstoppable, that will crush all in its path.