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1.
When having sex from behind. Pull out and nut in your hand then wined up like a pitcher and throw it in her face. Immediately following yell "Strike!!! Your Out!"
I was with your mom last night and I finished with a pitchers mound.
by Booya(You know it!) December 29, 2010

Words related to Pitcher's Mound

upper decker
 
2.
The act of defecating on the bathroom floor immediately in front of the toilet.
Related: upper decker
Special Note: Much like the Upper Decker, the Pitcher's Mound bears weighty ramifications and sends a powerful message. As such, it should only be unleashed when the circumstances are dire and there seems no other course of action.
The shit was about to hit the fan, but Tommy made sure it hit the floor first.
by Shi Zewr Porwn April 17, 2005
 
3.
Anal fisting, the next logical step after having sex.
"Dude i got to second base with Jen last night"

"Well you're well on your way to getting to the pitchers mound"
by babaoriley October 15, 2008