To have jumped on the back of any small pink object that can fly for the means of transportation. Generally not done in RL.
Mario: Yo mang, I gotta get to my girlfriends place for some head.
Luigi: You should have gone with Wario, he was ridin' kirby!
Luigi: You should have gone with Wario, he was ridin' kirby!
by -Jerome Niggasplat November 26, 2009
Get the Ridin' Kirbymug.