A delightfully descriptive wording for "vagina".
Betty's cum tunnel is a tattered ghost of a once prized poon.
ayon kay Nathan Matthews ika-23 ng Oktubre, 2007
1 more definition
The male reproductive organ; a tunnel used for transporting jizz; usually referred to in the company of cumdumpster.
Dude, you really fucked the shit out of her cumdumpster with your cumtunnel.
ayon kay Clavis Jotey ika-03 ng Nobyembre, 2004