Turd base 

When she lets you put it in her pooper for the first time.

I finally made it to turd base last night.

Turd base by jumbofrank December 27, 2008

Turd Base 

When you fart in front of, or take a dump for the first time while hanging out with a girl

I was hanging out with my date when i slid into turd base and she called me safe.

Turd Base by worthyexpress August 18, 2007