look up any word, like hipster:
 
1.
large women labia

(first coined by the Frosty, Heidi & Frank radio show)
your girls is big man! she ain't got cat flaps, shes got the tank drapes!
by Taylor Robbins October 07, 2009
 
2.
an affectionate name for a large woman's vagina
"Let me get into them panties, and see them tank drapes"

"Hello Frank, you want to see my tank drapes?"
by Wade+Frosty October 07, 2009