The purpose of the saying 'Your all Gay'
is a piss-take of trolls who don't know how to spell properly. Hence 'Your' instead of 'You're' which would be the grammatically correct way of spelling it.
( ,
Fri 26 Nov 2004, 14:38,
archived)
There is a rather wonderful website that explains
all this by the medium of singing meercats. www.yourallgay.com/
( ,
Fri 26 Nov 2004, 14:44,
archived)