Noun derived from abbreviation of "Pre Exam Liquid ShIt Syndrome". Pelsis describes the medical condition of loose bowel motions that typically occurs before taking an exam.
Ernest suffered terribly from pelsis before all his exams but ironically never more so than before his control systems and fluid mechanics exam.
by Dockwhatsun June 14, 2019
A tough guy, gangster, or Mafioso who has a partial facial paralysis, causing his speech to lose its threatening tone.
I know his threat to put my legs in a bucket of cement and dump me in the East River was supposed to scare the shit out of me, but the Balls Pelsy just sounded like my kid brother and I laughed in his face!
by TARZANSGAL July 4, 2017