A song off of Incubus' album Fungus Amongus. Technically this is not a word, although some claim it to mean "high like us". It is actually a slang term for insane or crazy
"you must be absolutely hilikus!"
by succubus November 16, 2004
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extreme insanity, crazy, wild.
a song by incubus.
you've got to be hilikus!
by smokemychronic April 17, 2005
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Song by Incubus, it means High Like Us.
by mep June 5, 2004
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