It's volitional or suggestive form of verb 'iku' (to go, to continue), along with its other forms such as 'iki mashou', 'ikou' it means "let's go/go on".
The phrase "Yo siempre estoy mean" translates to "I am always mean" in English.
It adds politeness to a statement. "Ohaiyou gozaimasu" would be a polite way of saying "Good morning" in Japanese
"Quen soy yo" in English translates to "who am I" or "who I am."
Yo tango = I dance the tango Yo tengo = I have
"Yo también chica" translates to "me too, girl" in English.
"Y yo de ti" translates to "and I, about you" in English.
It means "I am short."
"Yo se que tienes" translates to "I know you have" in English.
I have it.
To rest.
It could mean "I, yes" or "I did"
The Spanish phrase "yo estoy aca" translates to "I am here" in English.