PICNIC Views 3 meanings found PICNIC is a tongue‑in‑cheek acronym in IT circles meaning "Problem In Chair, Not In Computer", while it also appears as a whimsical insect phrase and as the name of a health‑care collaboration network. Miscellaneous Pesky Insects Constantly Nibbling Into our Cheeseburgers Community Professionals & Citizens Network for Integrated Care Computing Problem In chair Not In Computer