/glich/ , Slang.
n.
1. a defect or malfunction in a machine or plan.
2. Computers. any error, malfunction, or problem. Cf. bug 1 (def. 5).
3. a brief or sudden interruption or surge in voltage in an electric circuit.
v.t.
4. to cause a glitch in: an accident that glitched our plans.
[ 1960-65; perh. glitsh slippery area; cf. glitshn, G glitschen to slip, slide ]