Molarcoaster 

The act of fellatio where the recepient holds up his hands as if riding a roller coaster.

Also, deep throat fellation where the tip of the penis comes in contact with the felator's molars.

Jenna gave Jacob a molarcoaster

for Groundhog day.

Molarcoaster by Dorsien July 31, 2010

Bi-polarcoaster 

High and low mood swings resulting in negative emotional relationship outcome.

I can't date you any longer, I have to get off of this bi-polarcoaster!

Bi-polarcoaster by Nonokee September 7, 2013

lolarcoaster 

a website 4 fagetz

duedz who r fagetz

lolarcoaster by NJD December 7, 2004