ZIGZAGGER

- One that zigzags.
- A sewing-machine attachment for sewing zigzag stitches.

Z10 - I1 - G2 - Z10 - A1 - G2 - G2 - E1 - R1 has 30 points in Scrabble!

Z10 - I1 - G3 - Z10 - A1 - G3 - G3 - E1 - R1 has 33 points in Words with Friends!

Found in the OTCWL2014 and SOWPODS dictionaries