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1.
Saying that originated from the prison system.It means to rest your neck before your about to give oral sex to a man.But people today use it as a insult similar to fag/homo.
You need to rest your neck!
by Ken boy boy money March 23, 2009
 
2.
Although it originated in the jail system as a term used when an inmate performed oral and also used as an insult to ones sexuality its no longer used in that way. Now it means to chill out,relax,be easy,kick rocks basically shut the F**K UP!!!
example#1:girl----- omg i can't believe you hooked up with another girl,how could you?!? guy--- rest your neck it aint that serious! example#2: guy-----man my swag on point nigg*s need to get on my level! guy#2-----bruh seriously??? rest ya neck, you 30 and still live at home with your mother! example#3: guy----lakers are the G.O.A.T! guy#2----pshh...rest your neck!!! Celtics all day!!!!
by Mesha3386 September 20, 2010
 
3.
shut up!
man1:bla,bla,bla....
man2:DUDE! rest your neck!
by tomcon5 February 25, 2009