Also found in: Acronyms.
An initialism of "problem is between chair and computer," used humorously to explain that a computer user's problem is that they are using the machine incorrectly. A: "I've already checked those registry files! Nothing is working!" B: "Hmm. Sounds like PIBCAC to me."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.