1.(n)One who participates in the act known as a Rainbow Unicorn Promenade.
2.(v) The act of preforming a Rainbow Unicorn Promenade on another person.
1. Becca is such a Ruper. She got drunk and rode Timmy down the street with a glass dildo glued to his head and told us all about it.
2. I'm going to Ruper you so hard tonight.