When one "lays out the set," that means they are detailing exactly how and why someone is a total bitch. Laying out the set is often done on the other side of a tinted window where the recipient of harsh criticism cannot see or hear the derision.
As a bus pulls up to an airport, two young, idiotic wangsters might see an airport security officer.

Wangster A: Fuckin pigs, muffucka, I fuckin hate pigs. Fuck you, pig! Fuck you! I'll fuckin kick ya face to the curb ya fuckin pig! Fuck you, pig! Fuck you, pig!

Wangster B: Lay out the set, homie! Lay out the set homey! Yeah, lay out the set, homie!
by Strawhenge March 9, 2011
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1:) Not coming home due to an unspecified or poorly explained reason.

2:) Staying out cheating on one's significant other with one or more people.

3:) Passed out drunk while away from home.
That fool be laying out all night with all kinds o' hoes so I done ditches his sad ass.
by Shadowwolf1138 October 16, 2016
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To be hit with such great force that one's body immediately goes limp and sprawls upon the floor.

Usually a comment from a by-stander who may also be shouting, "World Star!"
"Holy shit, did you see that? He got fucking layed out!"
"Damn, Rhonda Rousey got fucking layed out by Amanda Nunez"
by Money $loth January 6, 2017
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