When one alternates between lines of cocaine and smoking marijuana continuously, one is said to be "riding the roller coaster".
Jim: Has the Baweej been smoking weed and doing lines of coke all night?
Marty: Yeah, he's been riding the roller coaster.
Marty: Yeah, he's been riding the roller coaster.
by Jegster July 14, 2010
describes the ups and downs of a relationship. Often, the couple involved go through episodes of utmost happiness followed by serious break-ups just to make up again afterwards.
John: How is it going between you and Jane? Still riding roller coaster?
Jack: No, this time we break up fuh real.
John: Yeah, like I’ve never heard that a thousand times before.
Jack: No, this time we break up fuh real.
John: Yeah, like I’ve never heard that a thousand times before.
by adam_addiction June 2, 2010