Dick (dik), n. 1. Arch.: a replacement word used when any other swewar word is unwanted. 2. a word that can replace any noun in a sentence and still convey all meaning 3. a word used contextually to communicate a complex or conflated idea when there is no known existing word in the English language.
"What the dick?!"
Instead of saying, "Hey, can you hand me that book?", "Hey, can you hand me that dick?"