chockablock Hear it!

chockablock Definition

chocka·block (c̸häk′ə bläk′)

adjective

  1. Naut.
    1. pulled so tight as to have the blocks touching: said of a hoisting tackle
    2. hoisted all the way up, as a signal flag
  2. crowded or jammed

Etymology: see chock & block

adverb

tightly together