A fork of Rural Dictionary
The act of making a wheezing noise while laughing.
"OMG! what you just said, made me laugh so hard i started HISSSing! HISSSSSSSS!"
The act of laughing so hard in a public quiet place, that you have to put your head down in your arms so no one hears you. Sometimes you laugh so hard you hisss
my friend texted me a joke and i modi in public.