when you fax someone a ton of double sided black sheets of paper. Could possibly be illegal. This can be used to waste someone's ink supply for their fax machine/printer. present tense is black sheet bombing.
"Dude I just black sheet bombed my old school. Now they have to buy new ink cartridges"
by cantchooseaname December 14, 2017
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When a black person sprays hot shit on a random stranger
hey did you hear about Sydney?

yeah I heard she got black fire bombed
by Swagmaster7 January 25, 2014
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