What does «guandajo» mean in Spanish?

Carelessness in acting or speaking.

♦ Used in: Mexico
Poorly dressed, ragged.

♦ Used in: Mexico

Examples of use in Spanish: "míralo ahí, todo guandajo".
Dirty or unkempt in physical appearance.

♦ Used in: Mexico

Examples of use in Spanish: "ese peinado que traes así nomás lo guandajo no va contigo".