Spanish. Means dirty in masculine form. Cochina is the feminine form of the word. Could refer to something with a sexual connotation, but not necesarily.
Ewww...you ate your booger? Cochino!
You're such a cochina, but I like it when you do that to me.
Cochino (coe-chee-noe, N.A. "cochini", SPAN "cochino", literally meaning "pig"): A young man with questionable motivations concerning young women, usually of a lewd, erotic nature. Typically having a voracious sexual appetite and prone to constantly making advances on girls.
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murdererused a serrated blade.