. Relating to or overly concerned with masculinity.

But, surely, nymphomania is an obsession with the sexual act, and masculinity - however much it may be rooted in the basic need to reproduce, and with as many different females as possible - in human males is sublimated into many different endeavours. These range from succeeding at business or sport to lavishing large amounts of time, energy and money on mechanical things such as cars or motor-bikes - almost anything so that he doesn't have to actually come into contact with females very much.

So priapic doesn't fill the - er - bill.