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1.
nitty gritty.....to get down to the serious stuff. This 'stuff' could be work, fine details of a plan, or sex.
"Reet-o love, i`ve taken you out to the fancy restaurant tongiht. I`ve fed & watered you & we`ve had a reet grand neet.....are we gonna get down tert nitty gritty or av i just wasted twenty-five quid on you fer nowt?"
by Dr Fox May 08, 2007
 
2.
According to "Nacho Libre" "nitty gritty" means to get down to the facts of life and really find out what your woman wants.
Nacho: lets get down to the nitty gritty
by RyanJones July 16, 2006
 
3.
To get down and dirty, get in the muck of things.

It could refer to getting rough (verb), or it could be used as a description(adjective).
Let's get down to the nitty gritty shall we?
by iseepinkelefants January 25, 2009
 
4.
lets get down to the nittygritty . hard to explain
nittygritty bitty titty kitty
by boonking July 05, 2011
 
5.
Pitties (or tits that hang into a girl's armpits when she's lying down) that have gotten all sandy or dirty.
After a long day at the beach, her pitties became nitty-gritties.
by JosephM. January 22, 2008
 
6.
when someones face is all dried up and crispy...
guy 1 - your face is looking nitty gritty

guy2 - i know its because i have never applied cream to my facial area sorry

guy 1 - here have some of my cream (spunk)
by googenhiser July 10, 2009
 
7.
to get down, have sex
yo, close the curtains so we can do the nitty gritty
by christelle May 22, 2006