The Silence of the Lambs was a <b>run away</b> box office<b> </b>success; civil war broke out in Jugoslavia; Soviet deputies agree to dissolve the USSR<br/><br/>Could you please explain to me what "run away" means here?<br/><br/>I see the phrase "run away" is usually associated with the expression "run away box office hits" or something similar like the above context.