parapendicular

Two lines that are both parallel and perpendicular at the same time. Completely mindblowing

crazy math teacher: these two lines are parapendicular

student: bitch, is that even possible?!

by the POPOlice November 06, 2008

Parapendicular

Giving the illusion of being perpendicular.

Joe made a mistake of assuming the parapendicular lines were in fact perpendicular, causing him to only earn a C- on his geometry exam.

by Ladderwalker February 03, 2009