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A woman bends her legs backwards and stretches them back over her shoulders, while her boyfriend mounts her like a slay and then rides her down the stairs with her chin hitting every step.

Possible side effects: broken jaw, random yoda-like sounds
"Hey Tina, did you hear what Chet did to Amanda?"
"No, girl what?!"
"He whispered 'you are in for a treat you are' and then gave her a Brazilian stairfall"
"Omg girl no way? Im jealousssss."
by Kava954 January 14, 2016
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