Apparently in means
when you stand at a urinal and piss on the man standing next to you
(
Peach Motorbike I hate the cut of your jib, Tue 18 Nov 2008, 12:30,
Reply)
I assumed it was a reference
to Heather Mills
(
HoratioFellatio Taking the the out of psychotherapist, Tue 18 Nov 2008, 15:16,
Reply)