/ ˈhəʊkəm; NAmE ˈhoʊ-/ noun [ U ] ( informal , especially NAmE )
1.
a film / movie, play, etc. that is not realistic and has no artistic qualities
2.
an idea, argument, etc. that you think is stupid :
What a bunch of hokum!
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WORD ORIGIN
early 20th cent.: of unknown origin.