siphon the python

To have a piss (rhyming slang)

I've had one too many beers, better go and siphon the python.

siphon the python by ud40 July 21, 2006

syphon the python 

to urinate

i better go syphon the python before my bag bursts.

syphon the python by Dunky Oggins October 31, 2003