Top definition
Rectal Cranium Inversion - term describing someone who has their head up their ass.
by CCJ October 29, 2003
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Sep 9 Word of the Day
the thing that you don’t have when you’re phones percentage is over 20
phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz
by lik_frls_dis.me February 12, 2020
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2
residential, commercial, industrial. the three main zone types in a town or city.
Good rci balance means a well planned city infrastrutre.
by mAGIK bUS April 17, 2005
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3
Acronym for Rectal Cranial Inversion, i.e. someone with their head up their ass.
I had an R.C.I. the other day when I forgot that the post office is closed on Sunday.
by JKG September 20, 2007
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4
Rectal - Cranial Inversion Syndrome. A way to say someones head is implanted firmly in thier ass and make it sound like the disease it usually is.
Man the boss must have a bad case of RCIS when he thought this up.

Hey did you catch a case of RCIS? Thats your girlfriends cousin you were trying to bang.
by pedro1 August 26, 2007
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5
'Royale Concorde International School' is the full form of Rcis. The stupidest school to ever exist. They are sexist as fuck and bloody stalkers who stalk their students and appoint bloody no life people to find out info and snitch on these students
I don’t want to be in a school like Rcis
by Hrudhai.is.a.bitch August 06, 2020
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