smhのようなどんな単語でも探してください。
 
1.
To prepare to kick another's ass, getting prepared to engage in fisticuffs
If you get up in my grille, you best knuckle up, motherfucker
stefanali popsによって 2005年09月13日(火)
 
2.
a phrase uttered in encouragement meaning: "muster your courage, intestinal fortitude and love for the American-way in preparation for an upcoming (or admist a) challenge
of epic proportions!"
(uttered many times by one of the dudes in the movie "The Matrixs:Revolutions" during battle
against the electro-mechanical foe)
"Here they come boys ... Knuckle up!"
abcによって 2004年07月13日(火)
 
3.
to prepare to fight.
Guy 1 "i was at the bar chillin talkin to this girl after the band played, then this dude looked at me like he wanted a problem."

Guy 2 "what happened?"

Guy 1 "I had to knuckle up then his boy pulled him back."
J Friによって 2008年05月11日(日)
 
4.
TO Put Up YOUR Setz And get ready to fight
Knuckle up nucker
shaneによって 2003年06月18日(水)
 
5.
To Make Reddy, To Make Preparation, To Assemble, To Focus on the objective, To concentrate
Tomorrow's the big day people, there's no room for mistakes, so all of you better Knuckle-Up!
ElkarOによって 2003年11月05日(水)
 
6.
An action akin to the high-five or the handshake. The act of touching fists knukle-to-knuckle in greeting or departure. In 2003 this action was accompanied by the phrase "knuckle-up" but has since just become the motion without the phrase. The first instance of this action and phrase was in Dallas, TX in the mid-90's and has since become a common gesture in most public forms of transit in NYC.
Jimbo-- "Is that some kind of a gang sign?"
Miguel--"Nah, that's a knuckle-up, bro."
super steveによって 2005年08月30日(火)
 
7.
To masturbate
The act of masturbation
Guy 1: Did you see Stacey?

Guy 2: Yeah, total nipple slip! I'm totally going to knuckle up to that later
leobaby1によって 2011年11月18日(金)