Stair Master

Doggystyle Intercourse on top of a flight of stairs, when the male knocks out the feemale's arms and rides her the entire way down.
Also see bobsled.

Nicole will be eating through a straw for a few weeks because i gave her the stair master.

by Josh Aussems March 26, 2005

Stair master

Getting a blowjob on a stairwell. Often this causes the shakes, especially when done outside your neighbors door. There is a certain covertness to this often when it is said.

Hey, my sexy Russian baby momma want to help me get in shape on the stair master when they pass out?

by Kiss Kiss & Hero December 20, 2015