PROFESSIONS
Un intello (*) An intellectual.
Short for un intellectuel, of which there are many in France. 

Un proprio (*) landlord.
Short for un propriétaire. Universally hated. 

Un musicos (*) It's cool to pronounce the '-s', both in the singular and plural, des musicos. 

Un Keuf (***v = flic) policeman.
Don't use it if you meet French policemen! 

Un gyneco (*) Short for un gynécologue, a gynecologist. 

Un psy (*) Short for un psychologue, a psychologist. 

Un toubib (*) doctor. 

Un kiné (*) Short for un kinésithérapeute, a physiotherapist