What is High-larious?
1.
When something's funny just because you're high.
"Eat shit. Bagel bit. Eat that bagel lick that clit"
That's HIGH-LARIOUS!!
See
2.
When something isn't even that funny, but you laugh so hard at it as if you're high.
*Person almost trips on their shoelace*
"HAHAH, OH MY GOD THAT WAS HIGH-LARIOUS."
See