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2.
Dumping all the information from a class onto the test. Then forgetting when finished with the test or class.
John data dump on his psychology test yesterday.
by Kutie butt kerdoodle February 11, 2013
 
1.
When someone sends you a mess of files via ftp or email without explanation, expecting you to make sense of them.
That prick just took a data dump on my desktop. I have no idea what all this crap is.
by Quasimofo January 15, 2007