During the act of love, where more than 2 parties are present, "juicing the orange" refers to a process whereby partner A female straddles partner B male, while partner C gender not important turns partner A around and around in a circular motion while maintaining genito/genito contact at all times. A "grinding" motion is the desired result.
Holy hell, I'm red raw; I spent all last night juicing the orange with your mum and dad
by Barclay Carruthers Esq March 20, 2009
1 more definition
Losing one's anal virginity. (ie, popping the anal cherry)
She was walking slowly the next day after juicing the orange last night.
by snoopdougiedoug June 10, 2009