In principle it is an allusion to canyoning (for whiring the recua), but in Argentina other interpretations appear. 1o_ Hit something or someone, especially if it's a beating or the final blow. 2o_ For the above, punish or harm a lot and at once, even if it is not physically. Somehow it also relates to the following meaning. 3o_ It is said when a man achieves a sexual conquest, possibly because the cane often had a pike on the tip to prick the animal, and from there the sexist association (although women also say it when they take to bed the man they like).