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8.
A Nerd who is considered to be homosexual or very wihny.
Dont act like nico. Dont be pu**y
by popokopf3 November 18, 2013
 
9.
Someone that tells one things that plays with their image of themselves or ego. Used in the song "Mr. Nice Guy" by The Kooks.
"But you're acting like a nico, playing with your ego."
by Hugh Harris December 23, 2011
 
10.
A medium height dashingly handsome boy with
shoulder length hair and bulging muscles.He can usually be found consuming insane amounts of alcohol whilst smoking.Most of his friends know him as lancelot or cheap-hoe(name not related to decisions made by said person although he does get laid quite often.)
Random guy: Dude did you see Nico last night !?

Random guy #2: Ya bro he was tearing shit up last night, I've never seen anyone drink that much!

Random guy: Seriously he was an animal i cant believe he slept with that hottie at the party she was almost untouchable
by Simplevieu February 06, 2009
 
11.
A good person with a good heart but can be shy but loves to argue with a certain someone like ilona.
BOY 1: yo nigga have you seen nico?

BOY 2: the one that loves to argue with ilona?

BOY1: yhyh

BOY2: right over there arguing with ilona
by Nancy femin January 29, 2011
 
12.
Abbreviation for "nicotine", usually referring to the vapour produced by e-cigarettes, used as a means of achieving a nicotine buzz.
Guy 1: Ay yo Kreutzer, you hittin' that nico baby?
Guy 2: (Puffing away on an e-cigarette) AWW YEA, PC'S!!!
by dr.leary June 27, 2011
 
13.
Nicos is homosexual male. He can usually be found in his bedroom alone. He enjoys penetration in the anus by other male companions.
Nicos is usually alone with his male companion.
by sirbilliam February 24, 2012
 
14.
an incredibly hot and sexy redhead that is constantly getting stalked by four girls
Also commonly misspelled as "Neeko"
Girl 1: Did you see Nico today? He was looking pretty hot!

Girl 2: Ohhh yeah, don't worry I saw him. I even got a picture of him when he wasn't looking!
by Megarooski April 20, 2010