Originally Posted by
MSPeconomist
IIRC the verb for to have sex, perhaps a bit more crude, is baiser; it might be reflexive like se coucher, to go to bed, not use a couch. To me, it is reminiscent of debasing oneself. Not nice.
It depends on the dialect. I'm still a fan of the old fashioned "foutre". As used in a sentence, and very handy for Montreal traffic: Va te faire foutre! (The familiar form of go f**k yourself...).
I don't believe baiser would be reflexive in this context, although my once perfectly fluent native French is slowly dying away from 30+ years of disuse. Not surprisingly, masturbate (se masturber) is a reflexive verb in French.