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 6, 2006
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1. To negate a previous statement.
2. To express sarcasm.
3. To express disagreement with someone else's previous statement.
"The Boilermakers are sweet. Sike naw, they're terrible.
"I should spend Saturday night hanging out with my parents. Sike naw."
"I say sike naw too much."
"Sike naw, no you don't."
by Taco John October 13, 2003
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When someone thinks they are gonna do something but get denied
Hayden texted me saying he was gonna get laid, I replied Sike ass
by Kevinwilson6837262 November 12, 2018
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non-sense. Unbelievable. When you lie out your ass. Or just talk negatively about something.
Tyler: "Dude my little sisters party was crackin!"

Me: "Sike Talk!"
by go4broke September 23, 2011
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Past the point of being siked, sike to the max
Jim: Aye Bob, you want some gum bro?
Bob: Sure dawg
Jim: Ha! Sike as fuck, go buy your own!
by gooksquad December 20, 2014
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A boomerang sike is when you sike someone out twice in a row.
Hey dude that's a nice shirt, sike it's really ugly, boomerang sike I really do like that shirt.
by Shazam821 August 20, 2017
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A straight girl who acts gay, not to be confused with a yikes dyke (a closeted lesbian).
"I asked her out, but it turns out she's just a sike dyke. Can't blame my gaydar for this one."
by Frances April 24, 2004
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