1)a big pile of feces.
The man bent over and dropped a ploppage from his ass. The dog has been dropping ploppages all over teh house. Diarrhea causes one to drop a lot of ploppage.
by Steve O October 19, 2003
When feces causes the water to splash back onto you butt
I just took this huge dump but I got tons of ploppage.
by ssm91 May 25, 2009