duro y por la cabeza 9
1.-this expression is widely used in Colombiaduto, in Barranquilla, and refers to an action that is done with firmness, determination and willingness: "We must finish the work today, so we are going to give you hard and by the head ". 2.-this expression is used in Colombia, specifically in Barranquilla, and refers to an action that is done with firmness, determination and willingness: "We must finish the work today, so we are going to give you hard and by the head ".