A peculiar sexual fetish known primarily among the Web 2.0 generation of perverts. Exhibitionist male self-photographers ejaculate onto pictures, or sometimes onto other objects, which directly reference (e.g. depict, name, imply) another web user, often a concomitant voyeur of either sex.
Please cum tribute my pic! You have a fat cock!
When a girl uploads an attractive or sexually orientated photograph of herself. A male will then print the photograph, masturbate to it and then cum onto it. They will then take a photo of the end result and send it to the girl. It is growing in popularity with young couples, as it shows the males appreciation of his partner.
"She wanted me to cum tribute her photo"