the most gloriously glorious of all screw holes on your partner's body, namely a vagina for girls, can be the arsehole in certain situations however.
"dude... her gullyhole was so effing tight... i thought i was going to spooge my pants just seeing it."
by Tomzilla April 10, 2005
A woman's vagina, snatch etc. etc.
Some women prefer sticking shower heads up their gully holes.
by Adrian February 11, 2008