Noun
elevated railway in an amusement park (usually with sharp curves and steep inclines)
anything characterized by abrupt and extreme changes (especially up and down)
Source: WordNetroller-coaster
When I was a kid my dad would say, "Emo, do you believe in the Lord?" I'd say, "Yes!" He'd say, "Then stand up and shout Hallelujah!" So I would ... and I'd fall out of the roller coaster. Emo Philips
I'm not sure I always feel like I'm in the seat. Sometimes I'm only holding on by one hand and flying out behind the roller coaster. I don't know anybody who doesn't feel that way. David Morse
I like theme parks. The fastest roller coaster I've ever been on is at a casino in Nevada. Tia Carrere
My life has been a roller coaster ride, but somehow I've always been able to land on my feet and still play the guitar. Ace Frehley
It's been quite a roller coaster ride, but I've grown and learned a lot about myself. The greatest thing is being able to interact with fans and touch people's lives... for that I give thanks. Christina Aguilera
The thing about grief is that it's a roller coaster - it's up, it's down. The emotions sometimes take over. Brent Sexton