When the vag has secreted an excessive amount of discharge in the panties, making the female feel moist and swampish for most of he day.
"Mmmm gurl, I gots ta go change my panties because I got myself a clammy shammy"
"Gurl my shammy be so clammy on dis hot day"
"Gurl my shammy be so clammy on dis hot day"
by DPOOKERS January 6, 2010
Get the clammy shammymug.