To procrastinate (often from study or homework) in a productive manner (e.g. to learn something which is unrelated to what you should be learning)
Amy should have been writing an essay, but she erruviated for an hour to learn some new Italian words.
by Sancti Andreae November 19, 2012
Although it didn't help him write his German essay, Conor spent a few hours learning Russian folk-songs and concluded that erruviation was always better than procrastination.
Proverb: Procrastination makes one sin; but by erruviation doth one win.
Proverb: Procrastination makes one sin; but by erruviation doth one win.
by Sancti Andreae April 01, 2013