An alternative word for vagina. The unpopularity of this word makes it acceptable to talk about a woman's genitalia in public settings without offending anyone in ear-shot.
Setting: Grocery store
"Holy crap. My shammy is itchy!"
"Oh man, mine too! My shammy has been itchy all week!"
Setting: Bar "I hope I get lucky tonight! I've been saving my shammy shave all week so it would be perfect tonight!"
He pulled a "SHIMMY-SHAMMY" and "QUIT" CAMPAIGNING because China deal Joe knew the *FIX was IN PLACE!
Boy, what a shimmy shammy he just tried to pull over us, would you believe it? Oh, Mary Beth, sorry I forgot you don't know alot of things but a shimmy shammy is illicit activity claims although completely baseless