wellytop 

A woman with a large cavernous vagina

Its like fucking a wellytop

wellytop by Blissy February 15, 2005

welly top 

a loose vagina. bucket fanny

it was like shagging a welly top!

welly top by Schmee June 25, 2004

welly top 

n. similie. A vaginal orofice as large and loose as a rubber wellington boot opening. See also clown's pocket, wizard's sleeve

"It was like throwing a stick down an alleyway, her muff was like a welly top"

welly top by Stouffer November 7, 2002