Slot Shot 

The female equivalent of a Dick Pic.

I sent the missus a dick pic.

She sent me back a slot shot.

Smashing.

Slot Shot by Chromatek January 22, 2017

slotshot 

Photographs of female crotch; typically pornographic in nature.

Judy decided that she loved her soldier enough that she had some slotshots taken for him to keep in his wallet while he was deployed to Iraq.

slotshot by Eric VonUlmer November 28, 2006