Let's break it down:
* Yo: This means "I" in Spanish.
* Tango: This is the word for "tango," the dance.
* Una: This means "a" or "one" in Spanish.
To make a grammatically correct phrase, you need to add a noun after "una." Here are some possibilities:
* Yo tengo una guitarra. (I have a guitar.)
* Yo tango una taza de café. (I have a cup of coffee.)
* Yo tango una cita. (I have a date.)
The phrase "yo tango una" is likely a typo or a mispronunciation.