Eccentric or impractical.
An eccentric, crazy or foolish person.
Someone addicted to crack cocaine (i.e. a drug addict).
Casual; undisciplined or haphazard.
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.
Spendthrift, profligate.
With a poor grip.