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
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