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4.
Misspelling of slang term "psych", which is short for "psyched out". It can be used at the end of a statement intended to psychologically cause its recipient to be taken off guard or aback, hence allowing for a competitive advantage by the person using the statement. It is intended to be used, & then its success is to be pointed out publicly, as further source of creating an embarrassing competitive edge.
Hey Joey, your sister let me see her naked last night. Sike!
by ScottySlave November 24, 2007
 
15.
To say something seriously but mean it sarcastically. From the root word "psyche" but is spelled differently.
Dave is a registered independent... Sike! He's really a republican.
by Ittakesavillage September 28, 2005
 
16.
It means 'only joking'.
Person 1: You're gey!
Person 2: :o :(
Person 1: SIKE
Person 2: What the hell does that mean??
Person 1: It means only joking.
Person 2: Yeah, I'm sure. I'm searching it on the Urban Dictionary.
Person 1: Omfg!!
by brewed-since-1992 April 26, 2006
 
17.
(interjection) meaning "false!" or "just kidding!" Also see sie. Antonyms: See forsooth or sooth
Yo' mamma look like dumbo on speed, sike!
by Emilave January 15, 2003
 
18.
verb

1. to approach a woman, who looked beautiful from a distance, and quickly turn around upon noticing her looks up close
2. to approach a woman, who is beautiful, but upon noticing her 6'8 body builder boyfriend, turn around immediatly
Ex 1: "Damn Jimmy, I had to sike! She was beat."
Ex 2: "I siked once I saw her face."
Ex 3: "I saw noticed this dime walking in the mall so I approached her, but I had to sike because her big ass boyfriend was with her.
by Mista Bough May 06, 2006
 
19.
1) sike is another word for "awesome!" or "sik/sick"
bob: omg, this computer game is sike!
paul: what does sike mean??
bob: awesome!
paul: thanks.
bob: no problem.
by zerbino June 20, 2006