A 'better' alternative to using the word 'crazy' or 'insane' to someone. Or just a fun way to call someone crazy. Also, 'mentally jolly' can be used. From the Family Guy episode 'The Fat Guy Strangler'.
"Dr, is my brother really insane?"
"Mrs Griffin, we don't use the word 'insane', we prefer the term 'mentally hilarious'"
-adjective
(1) Having the generalappearance or behavior of a hobo. (2) Laying about in an untidy, slovenly fashion. (3) Just being a straight up bum.
Michelle- "Man look at those guys just laying aroundon the ground by their trucks."
Nick- "Yeah it really looks like a regular hobo camp around here."
Sir- "Man, thats some pretty hobacious ass shit."
The way far too many people spell "hilarious." It is definitely one of the most popular misspelled words in the english laguage. "Halarious" is how most people pronounce "Hilarious" in every day speech. This is the root of the word.