putito, putaso re-puto, re-putaso
Male equivalent of the Spanish word 'puta' which means prostitute. It can be used to refer to a gay man, but also a promiscuos man, or coward.
This term was emailed to me by Dan Blocker, who observed the lack of 'culturally inclusive' euphemisms in my collection. He sent several terms originally used by African American and Latino communities in the US.