Two drunks are sitting at a bar...

One says to the other, "Hey! I hafta take a helluva pisssh. Would yeew pleashe go take a pisssh fer me?"

"Suure". says the other drunk.

So he staggers into the men's room, and after what seemed like an eternity, he comes staggering back out and sits down again beside his buddy.

His buddy says, "Whut thuh hell keppt yuh so long?! Did yeew take a pissh fer me?"

The other drunk says, "Yeew lyein' baastard!!! Yuuu din't haefta Piissh!!!"