Variation on upper decker. Instead of shitting in the tank of a toilet, shitting in the bowl and then manually repositioning the load to the tank.
I was so drunk I forgot to do an upper decker, but after I saw the sweet log I fired into the bowl I knew I had to go for the ground rule double.
by Dismukes March 13, 2004

by Ian Floetl September 21, 2005

Jacking off while you take a dump.
by the baseball king March 28, 2011

I hit a ground rule double yesterday. First I did the blonde, then later that night the redhead droped by for a booty call!
by Smart Like That December 02, 2019
