In Puerto Rico (and possibly Caribbean Spanish Speakers) it comes from a comical mispronunciation of the phrase "Acho
papi, muchacho." which is a combination of
two commonly used phrases "Acho
papi" and "Muchacho". Lets dive in to those two for some context:
• "Acho
papi" is typically used to open a sentence when the person has something exciting to say or something to say in general in an informal context. It roughly translates to the American phrase "Ayo bro". "Acho" is a shortening of the word "muchacho" and it is used similarly to "ayo". On the other hand, "
papi" directly translates to
daddy, but depending on the context, it colloquially means "bro".
Ex. "Acho
papi, ayer me compré las tenis nuevas de Bad Bunny!" which translates to "Ayo bro, I bought the new Bad Bunny sneakers yesterday!"
• The word "muchacho" roughly translates to "a dude" and is used to describe a
male person whose name you don't know. It is also colloquially used to end a sentence and emphasize what was being talked about in the sentence.
Ex. "No toques
el muffler que vas a coger una quema'... muchacho!" which would translate to "Don't touch the muffler cause you're gonna get so
burnt... muchacho!"
Now for what we came for; the meaning of Chupapi Munyanyo is that it has no real meaning. It is heavily context dependent and it is often used just cause it sounds
funny to say.
"Dile que se prepare que le voy a
dar Chupapi Munyanyo"
-> "Tell him to get ready that I'm about to give him Chupapi Munyanyo"
"Michael
es el Chupapi Munyanyo!"
-> "Michael is the Chupapi Munyanyo"
"Chupapi Munyanyo!"