HISSS

The warcry of Leafyishere army, who aims to t<ke over Youtube by overthrowing non-reptillian scum.

Youtube comment 1: Well, at least the reptilians aren't here yet
Youtube comment 2: HISSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Youtube comment 3: Leaf a like!
Youtube comment 4: Leafy fist me <3

by a<vg<sFNBF October 14, 2015

HISSS

The act of making a wheezing noise while laughing.

"OMG! what you just said, made me laugh so hard i started HISSSing! HISSSSSSSS!"

by Rachael and Nicole. July 28, 2008