Chupame la pija. means: This is the slang that spanish-speaking portenos use to call it. Literally it is “Suck on my dick”. It could also be translated as “Blow me”. It is most commonly used to indicate that you don’t want to do something or you feel angry about being asked. There are many synonyms for the same phrase, such as “chupala” Don’t do it. “porque no me las chupas” Do it! They all have a common meaning. (in Community Dictionary, added by Jaliyah Dunlap)