It is a Carribean, mainly Puerto Rican and Dominican word for bus. And one of the cheapest ways of transportation to see the real Carribean, like the streets and whatnot. Theyll basically take you anywhere.
Tomé la gua gua por San Juan.

I took the gua gua through San Juan.
by Bianka Avellino May 28, 2008
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Gua Gua is a derogatory term describing those who are currently upset with their own life
Jeremy is such a Gua Gua. He is suicidal
by Gua Gua March 22, 2022
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