Wet Penny 

To eat out a girl who is on the rag. The name stems from the copper taste of the vaginal area while menstruating.

I gave my girlfriend a wet penny last night.

Wet Penny by Katie ra bla bla November 7, 2007

wet penny in the pocket 

a drop of urine on the inside front of a man's pants caused by putting the penis up too soon after urinating

After returning to dinner from a bathroom break Harold realized he had a wet penny in the pocket.

wet penny in the pocket by fuad ramses January 30, 2004

sack of wet pennies 

the odor of women during menses when they fail to clean themselves properly. Women in need of Femanine Deodorant Spray.

"Jane always smells like a sack of wet pennies during this time of the month."

sack of wet pennies by Roger DeCoster September 26, 2005