To have a shit at such a high velocity, or having it break off early and having the toilet water splash up and get in your ass hole.
Fuck my shit was heavy and small so I got lots of after splash.
by oojuu March 26, 2003
2 more definitions
When ur shit hits the water and some water splashs up and the water ends up in ur asshole.
After the huge dookie hit the water i got a big after splash.
by cartman5000 July 26, 2004
When you take a dump and water splashes up into your asshole.
Diem took a dump and felt the aftersplash.
by MR123 October 02, 2006