In slang is called so a male to which is only as to a stallion. Very probably has its origin in Central America or the Caribbean, where a chongo is a horse that no longer serves for work and is used for playback. The term was common among homosexuals to qualify for an active gay, then to a hetero with evident features of " " male, and from there went on to also be used as " 34 sexual partner; or " 34 lover; among the women.