What's the noun for thinker? Here's the word you're looking for.
thunk
(computing) A delayed computation.
(computing) In the Scheme programming language, a function or procedure taking no arguments.
(computing) A mapping of machine data from one system-specific form to another, usually for compatibility reasons, such as from 16-bit addresses to 32-bit to allow a 16-bit program to run on a 32-bit operating system.
“The problem, I began to suspect, was not a typo but a thinko.”
“Students of verbal slipmanship along with a few cognitive neuroscientists took note of a speech in Santa Barbara, Calif., recently by the philosopher Daniel Dennett in which he used the computer-jargon noun thinko.”
“In years to come, advances in imaging technology may elucidate a connection between the thinko and the prevalence of misspeaking on the political stump.”
“Two loud thunks announced the arrival of worldly belongings crammed into his bags.”
“The machine emitted a whirring sound, and a few calculated sounding thunks, and then began to run.”
“It thunks into his chest, and Whitford flips backwards out of his chair and off the edge of the plateau, falling hundreds of feet to the valley floor below.”