A word commonly used by women from the Southern United states to indicate to a lover that their husband has arrived back unexpectedly and she has to get out of there pretty quickly so as not to get caught out.
Guy: baby girl, you so purdy
Girl: stop it, y'all making me blush... Wait, I hear something... QUICK! SISH!!
Girl: stop it, y'all making me blush... Wait, I hear something... QUICK! SISH!!
by SparkyGee October 18, 2011

the sucking sound with your tongue against the roof of your mouth, that is the sound of exasperation.
by honeylick May 18, 2004

Guy1:What did you do last night.
Guy2:I drank a whole jar of sish what about you.
guy1:Awww same here
Guy2:I drank a whole jar of sish what about you.
guy1:Awww same here
by Tim Burger May 13, 2005

by hoodieNation July 18, 2019

by LoopedThatKid July 22, 2018
