What is Cosimo?
1.
a loving boy/man that every girl wants, only one can have him and thats me. A romantic person that knows the perfect thing to say at every moment.
He called me last night just to tell me how much he loves me, such a Cosimo
See
2.
a player who usually bounces from one girl to another.
"damn i was with Cosimo last weekend and now he's with another girl!"
See