Lay Heat 

to take a huge shit that is long in duration

Yo I'll call you in a half hour, i gotta go lay heat.

Lay Heat by r31d3r April 21, 2010

lay a pig 

The act of defecating at a friend's, relative's, acquaintance's, or random stranger's house without flushing the toilet. This is done in a casual, or forgetful, manner and the feces is usually never found until the culprit has left.

Dude, Matt, I just went to drop a dog upstairs, and Al totally decided to lay a pig. You gotta flush that shit, man.

lay a pig by SatelliteDaddy June 16, 2010

lay it down

to be good at satisfying a woman sexually. This could include intercourse or other means. Usu. said by black women.

I know Jethro has no money, no job, and no car. But he can really lay it DOWN, you hear me?

lay it down by HalimaMI February 22, 2009

Lay-Low 

What you do when the cops and/or gangster's are after yo' ass.

"I be layin'-low for a while, until shit calms down at least."

Lay-Low by Diego September 4, 2003

lay down or stay down

you either with us or you against us
produce by (state property)-the movie

lay down or stay down by younghova June 25, 2003

lay a train 

What we plan to do to (more specifically 'on') Mike C.'s imaginary ex-girlfriend codenamed "psychobitch" when she comes up to R.I.T.

When she comes up, we will lay a train on her face!!

Mike, can we lay a train on her face??

lay a train by The man who will start to lay the train on mike's non-existant ex-girlfriend's face. June 4, 2008

lay on the horn 

To honk one's car horn for longer than normal. Usually done when either the driver is fed up or someone on the road does something particularly stupid.

The asshole cut me off, so I laid on the horn.

lay on the horn by The Grammar Nazi June 29, 2002