precipicing

(v.) the action of having a very low A- right before finals week

"You have in 89.6% in physics? Girl you precipicing!"

precipicing by boochie December 18, 2013

Precipicimist 

Someone who under estimates how far away cliffs and things of the sort are, usually resulting in them falling.

"Did you hear about that guy who fell off of the Grand Canyon?"

"Yeah, he was such a precipicimist"

Precipicimist by JohnRav August 20, 2013