of Bimbo and Mimbo

I was just talking to my friend about what a bimbo Paris Hilton is, and was asking him if he knows the word for the male version of bimbo. This is because i am in dire need of that word to describe some guys whom I have met in uni. They are the MOST BIMBO guys I have ever met!! They laughed when the lecturer was talking about vagina drug delivery, they whispered among themselves and giggled at the remarks passed. In first place, they are already showing disrespect to the lecturer by talking in class. To add to that, they are like older than me, if not at the same age. Guys at this age should be thinking about their future, not acting like kindergarten boys who ask, 'so how they do it ah? if u put the contraceptive there?' and (in cantonese) 'how to insert(chap) ah?' I shudder at the thought that they are going to be health professionals.
Anyway, my friend was asking me if there is such a word as 'bimbo' in the dictionary. So I looked it up in wikipedia and fount something really interesting. Above all, i found the word for them-MIMBO or HIMBO haha.

Bimbo is a term that emerged in popular English language usage in the late 20th century to describe a stupid, pliable woman. (Its occurs as early as 1929: in the silent film Desert Nights, a title describes a cheap female crook as a bimbo.) Because it derives from Italian words of masculine gender, its first usage in English was for stupid men; it now is understood to mean a woman unless modified as male bimbo, himbo, or mimbo.
The word bimbo is sometimes interpreted as the backronym "Body Impressive, Brain Optional".A bimbo isn't necessarily highly sexually attractive. Being a bimbo is a state of mind, and reflects a person who exaggerates the effort and value put into her physical attractiveness. She is often perceived as a shallowly focusing on her physical appearance and neglecting the development of other parts of her personality.