Like an upgrade, but leaves things much worse than they were before.
Q: Why did they ungrade this website? I can't find anything on here any more.
A: That was a rhetorical question, wasn't it.
by Robertitoo September 1, 2010
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Someone who is so ugly you can't grade them on a scale on 10
She's ungradable dude ew
by Sandy1362 March 23, 2017
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