Action movies are (all) the 'fashion' in Hollywood these days. = Action movies are 'in fashion' in Hollywood these days.
We attended a 'fashion show'. [=a show at which people who design clothes show their new designs]
The student recited the speech 'parrot-fashion' and could not answer any questions about it.
(..) martyrs. Fear and shame. Show me to Beowulf! Show me to king Beowulf! Leave him! You think it sport to mock your opponent in this fashion? Let him die quickly! With some honor still intact! Coward! Kill me yourself! Balls! King must never engage in a direct battle. (..)2007 Beowulf