What does «galla» mean in Spanish?

A swirl sometimes formed by the horse's hair on the sides of the chest, behind the elbow and next to the girth.
Piece of tobacco leaf that remains on the stick when it is torn off.

♦ Used in: Puerto Rico
Dumb, stupid. "Cock for men.

♦ Used in: Venezuela

Examples of use in Spanish: "no seas galla".