These are the same chords all the way through the song 
Chords: D  A  Bm  G 
4 counts on each 

Uh! 
Yeahh... 
Ohhhh! 
Yeaa. 

Lil Wayne 
Hey barbie! 
Ah ah ahh, 
are you into black men?, 
Hey Barbie, 
Can I be your black Ken, 
Whoa! Cause once you go black you never go back, 
She wear her hair black, 
With curls on her back,  
Then she threw that ass back back back, 
Then i fell to the matt and after that everything went BLACK! 

Chorus 
Baby 1 2 3, 
tell em get the referee, 
Cause he can, He can, get the knock out( get the Knockout) 
get the telephone please, its an emergency 
Cause he can, he can get the knock out ( get the knock out) 


Lil Wayne 
Hey barbie, Can i call you Barbara, 
Hey barbie, Can i call you tomorrow and today?, 
Cause once you go black you never go back, 
And when she go wayne everybody else is whack, , 
The she threw that ass back back back, 
Then i fell to the matt and after that everything went BLACK! 

Nicki Minaj - Chorus 
Baby 1 2 3, 
tell em get the referee, 
Cause he can, He can, get the knock out( The Knock Out ) 
get the telephone please, its an emergency 
Cause he can, He Can, get the knock out (The Knockout) 
 

Nicki Minaj - Verse 
ahh fuck it! Get me that damn bucket!, 
Whe - when i throw this pussy you better not start duckin, 
Oh YOOO! HIT HIT EM WITH THE BLOW!! 
Loo-look at the crowd, And everybody yelling NO!! 
Grab him by his locks and give us a good box, 
Then hit him below the belt i wanna give him good top, 
TOP TOP give em good top hit em below the belt want em to give him good top, 
123 they yelling 123, I hit em wit that motherfuckin 
Courtt 2 piece', tell em tell em to mop out, to late to cop out, 
Give em more head than tupee's thats a KNOCKOUT! 

Nicki Minaj Chorus 
Baby 1 2 3, 
tell em get the referee, 
Cause he can, get the knock out(Knock Out) 
get the telephone please, its an emergency 
Cause he can, get the knock out  


Lil Wayne 
SO JUST KNOCK ME OUT!!! 
SO JUST KNOCK ME OUT!!! 
Damn,  
JUST KNOCK ME OUT!!! 
SO JUST KNOCK ME OUT!!! 
JUST KNOCK ME OUT!!! 
JUST KNOCK ME OUT!!! 
JUST KNOCK ME OUT!!! 
JUST KNOCK ME OUT!!!