Wild or uncontrolled.
Sketchy and flowing rather than geometric and precise.
Aimless
Lenient, permissive.
With open hand (as opposed to a fist).
Characterized by broad sweeping movements.
Involving wrist action.
Casual; undisciplined or haphazard.
Spendthrift, profligate.
With a poor grip.
Uninhibited.
Wiglike.
Crazy.