A sex position in which the "witch" straddles the "broom" until the white demons "come" to destroy her. Can be cosplay or simply for fun. Also the name of the gay fanfic of Harry Potter and Draco Malfoy.
Paul: Hey what happened to Linda last night?

Mark: She got a bit of the old Doom on the Broom!
by SloppyKissesFromGrandma October 4, 2016
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