Any attire worn by a woman which either nearly or fully exposes the wearer's nether regions. (Usually worn by sluts.)
"Look at that slut in that cuntgown! You can totally see her cooch."
"Honey, that's way to short to wear to the party. That's practically a cuntgown."
"Honey, that's way to short to wear to the party. That's practically a cuntgown."
by WakaFlockofFlames October 18, 2011
Get the cuntgownmug.