A source of great satisfaction or delight, as in Good music is meat and drink to her. This metaphoric expression, transferring basic sustenance to satisfaction, appeared as early as 1533, in John Frith's A Boke Answering unto Mr. Mores Letter: “It is meat and drink to this child to play.”
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.