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3.
Coffee or a cola drink.
I saw him sucking down a can of life juice.
by Brett Sheargold May 26, 2006
 
1.
the liquid in an animal or human body that is also known as blood
He got cut and is now losing his life juice
by henru May 11, 2005
 
2.
Semen... the liquid used to attempt to fertilize the egg of a woman or mammal.
Tiger Woods ruined his career by spreading his life juice around to people other than his wife.
by Subtle Teen February 07, 2010