lay and pray 

Commonly used phrase in MMA, when a fighter takes their opponent down and lays on them, and prays they keep them there for fear of them getting back to their feet and beating the shit out of them.

Man this fight fucking sucks. All Brock Lesnar does is lay and pray. BOOOOOOO!

lay and pray by rabble rabble rabble rabble October 17, 2008

lay it down

to initiate something, see throw down

it's time to lay it down and eat these Chemistry books

lay it down by Malinda October 2, 2002

lay pipe

To engage in coitus or sexual intercourse; to bone.

I only lay pipe to dimes.

lay pipe by Cut Quanta November 26, 2002

lay a deuce 

To defecate, to take a shit.

The origin of the phrase is from the vernacular "do a #2"; this has more of a street flavor.

I had to lay a deuce so bad I could taste it.

lay a deuce by Shit Brick August 17, 2004

lay one out 

To drop a deuce, dump a load, or otherwise take a crap.

After finishing all that Mexican, I had to lay one out.

lay one out by Amsterdizzle July 27, 2006

Lay up 

An organized date usually arranged by friends where the sole purpose is sex and/or getting over a failed/bad relationship. Should not be confused with rebound. A lay up may or may not culminate into a meaningful relationship.

Matt felt bad for James so he called Alice and had her arrange a lay up with one of her friends.

Lay up by Dr-acula February 4, 2010

lay down the murder game 

To participate in the act of killing ones rivals, former friends, or any punk muthafucka who who talks shit, or double crosses them.

Yo that nigga Calvin was talking shit so i had to lay down the murder game down real quick and that nigga is invisible now.

lay down the murder game by Money Making Mitch May 29, 2011