Top definition
A zetreo is a Fat nerd. He sits around on his computer all day, and also enjoys anime "porn".
When i grow up, i hope to be a joshua, just like my daddy. Oh Adam, you're such a zetreo, go outside once in awhile.
by Secret person in real life February 10, 2009
Get the mug
Get a Zetreo mug for your father-in-law Trump.