Man power, or sometimes "manpower", refers to the power of one's manhood, i.e. his libido, virility and sexual prowess.
1) Rocco's man power is off the charts! Look at him hammer that ass!

2) Here's a viagra to boost your man power for tonight's gangbang
by Ron McD January 01, 2008
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The triumphant power of a mature mind as a substitute for youth in competitive arenas such as sport. Can be shortened to OMP.
"Did you see that play by Manning ? He's 37 years old for crying out loud. That's Old Man Power for you. Brilliant."
by Old Blue December 25, 2013
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A mixture of all available liquor in your parent's liquor cabinet.
Girl:what are you guys drinking?

Man: The Power Man 5000 concoction! Ho!
by Triplicate July 28, 2010
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