Top Definition
a cavernous vagina with an acoustic echo resultant from numerous romantic escapades.
With as much "fun" as Sara had on spring break, i'm sure her spelunkavag could use a breather.
by Munasty September 13, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×