1 definition by Reegi
The act of tripping or falling up something. Usually it pertains to tripping on stair steps or other vertically aligned structures.
"I laughed so hard when Jeff fell up the stairs yesterday"
"I was trying not to fall up the stairs even though I was completely smashed."
"I was trying not to fall up the stairs even though I was completely smashed."
by Reegi July 19, 2009