cachondo mental

1.
SpainColloquial Spanishinformalvulgarpejorative
- A person who is persistently sexually aroused, preoccupied with sexual thoughts, or behaves in a lecherous or perverted manner.
- Someone perceived as excessively driven by sexual impulses or prone to making sexual advances or comments.

Examples:

ES: Bartolo? - Tu lo que eres es un cachondo mental
EN: You're a real piece of work, you are.
ES: Eres un cachondo mental, tío.
EN: You are a funny motherfucker, man.
ES: La gente piensa que soy un cachondo mental.
EN: I did not want to know anything about him.
ES: Ja, ja, cachondo mental.
EN: Ha ha, Jokey-pants.
ES: Bueno, no un idiota que se deje meter en una papelera por una madre y diga estupideces como cachondo mental, pero necesito a alguien que vaya a defenderme porque soy un poco bocazas.
EN: I mean, obviously not some idiot who gets jammed in a trash can by a soccer mom and says stupid things like jokey pants, but I need someone who's going to Stand up for me because I like to mouth off.