When a woman leans over when wearing tight, low cut pants without panties and you can see the subtle crack that is just big enough to insert a nickle.

The larger the slot the great the demonination, a smaller demonination if better.
Yo dude, I could put a nickle in that slot! She has an awesome nickle slot going on.
Get the nickle slot mug.
A Promiscuous man or woman of lesser social status.
I can't believe he's screwing that nickle slot skank. She should know better; he's a nickle slot skank at best.
by Bill Turner October 23, 2004
Get the Nickle Slot Skank mug.