the arc

The area in the small of a females back which creates a bow shape. Most notible when female is laid on shoulders, not hands.

note: see krystal steal

"yo, homeboy imma force the arc on that girl tonight"

by k4l September 03, 2008

Enter Deep Space 9

When inserting your penis into her anus while out side under the stars around 9pm.

Have you enter deep space 9 yet? I hear its pretty romantic around that time.

by K4L November 26, 2012