What percentage of your total calories per day should come from protein?The RDA for Protein is approximately 10-15% of total calories.
Definition of ahead. 1a : in a forward direction or position : forwardb : in front. 2 : in, into, or for the future plan ahead. 3 : in or toward a more advantageous position helped others to get ahead. 4 : at or to an earlier time : in advance make payments ahead.
Best Answer: It means, metaphorically, to prepare for a rough time ahead. It derives from shipboard jargon: decks of sailing ships had many hatches (essentially a horizontally doorway through a deck, rather than a vertical doorway through a wall) that led to the spaces below.