layin' the pipe

Whean a man with a LARGE penis performs well in bed.

(woman on the phone with friend)

"Girl! I'm trying to tell you Tyrone was layin' the pipe last night."

Layin the pipe

Engaging in sexual inercouse. Having Rough sex

"Damn he must be a plummer! Look at the way hes layin the pipe!"

layin some pipe

The moment prior to taking a major dump. Pipers are long pieces of poo that sometimes get to the length of a foot or so.

Dude, I can't hold it much longer, I'm gonna have to lay some pipe.