Top definition
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 December 04, 2015
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2
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 27, 2008
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