When a female chooses not to wear underwear. The ladies' version of going "commando."
Ugh. I actually have to wash these jeans. I've been going clammando all week.
by Preparation8ch January 05, 2012
When your girl isn't wearing any underwear or panties underneath her pants or skirt.
Hey babe looks like I'm outta panties, I'm gonna have to go Clammando!
by Clammando June 04, 2015