In Catalonia, queco means retrograde, cheesy, stale.
In Mexico it means cupcake. Also used in diminutive form, "Quequito" meaning little cupcake. Used in US as well "Vamos a tener quecos o quequitos para su cumpleaños."
"Vamos a tener quecos o quequitos para su cumpleaños."
In Spain he is the nickname of a singer of Andalusian origin, named Manuel Ruíz. It is also a way of calling the gecko or perequén ( Family Gekkonidae). It is also the name of a doll-like drawing or sucker. In Argentina it means brothel or brothel. .
More used in lunfardo than that, it also means "brothel". See chbebe, quilombo.
It's making love to someone else
DIMINUTIVE OF DOLL