look up any word, like bukkake:
 
1.
1. (n) a consumable product that provides sufficient nourishment
2. (n) nutrient(s)
3. (n) FOOD!
so. hungry! need. SUSTENANCE!
by P4|<1574N April 07, 2005
 
2.
The necessary means to survive in terms of hunger or cravings for things.
This green definitely fills my need of sustenance!

I require sustenance! Ma! Wheres the meatloaf!? Fuck! We want it now!

by IronDoctor August 25, 2008