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1.
When you get so bored of revision the only thing left to do is to have a wank.

A form of procrastination.
A: God revision is so boring

B: Have a revision wank

A: Great idea dude
by michelleandjoe June 12, 2011
 
2.
When you're revising surface anatomy and you see boobs which causes you to go on porn and wank.
"I had to revise last night but it just led to a revision wank"
by superdude3435 May 11, 2010