Giovanni is usually referred to people who are sexually gifted. this name is given to people of Italian or Hispanic decent , they are man whores but once they find the right girl they are faithful, loves bright colors and getting the all the attention you will typically find a Giovanni at a party or a beach getting all the girls attention.
Girl 1: Omg Giovanni is here!
Girl 2: someones going to end up in bed with him tonight ;j better be me!
Girl 1: no me!
Girl 3: too bad I already did before the party!
Guy1: Lucky ... i wish i could be Giovanni