the label of one who specializes in the fine art of bad-assery
"she killed a lion with her bare hands then raised it's cubs to use as transportation... what a sipos."
by ruby76 December 30, 2011
Si is spanish for "yes" and sipo is Spanish slang for "yes". Spanish version of the English "yup".
Hey, did you get the stuff?
by Krystalkitten October 26, 2009