Meaning of twitchy

twitch•y

Pronunciation: (twich'ē), [key]
— twitch•i•er, twitch•i•est.
  1. twitching or tending to twitch.
  2. nervous; jumpy: All that pressure at the office has made him twitchy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.