The act of jumping and subsequently defecating whilst in midair, most commonly executed with your back side facing a wall.
that's definitely a jumpshit judging by the height of that poo mark
by anonymous55ive June 20, 2011
1 more definition
The act of getting jumpscared so bad you shit your pants
Oh man, Five Nights, gave me a jumpshit
by cavecharm October 31, 2014