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When you sleep for an optimal number of hours (i.e. not enough), the night before a massive deadline or exam.
I have to tactical nap to revise for this exam I have tomorrow
by IML April 30, 2010
1. The act of using your time wisely and napping instead of doing nothing.
Time for a tactical nap before the movie starts.
by Ta53r_ka1n March 06, 2011