Definition of "chock-a-block" [chock-a-block]

• Squeezed together; jammed: The cheering fans were chock-a-block in the stands. (adjective)
• Completely filled; stuffed: "I recommend the north shore chowder, chockablock with pieces of seasonal fish” ( Charles Monaghan). (adjective)
• Nautical Drawn so close as to have the blocks touching. Used of a ship's hoisting tackle. (adjective)
• Chock: a hall that was chock-a-block full. (adverb)

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.

• "The Standard Model, used by everyone working in high energy particle physics, is chock-a-block with renormalization."
• "The one on the north side of Centro, with hotels, fast food restaurants and "tourist services" chock-a-block?"
• "Big show this week, chock-a-block full of genre film goodness!"