Slang One who is in charge: "[the President's] big enchilada on both foreign and domestic policy” ( Mary McGrory).
Slang Something of the highest value or importance: "[The team] won the big enchilada in 1980 and 1982” ( Scott Ostler).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.