Shat blaster 

To release a smoke bomb it to public restroom and walk/run away

Just pulled a shat blaster in Wal-Mart's bathroom with a m1billion smoke bomb

Shat blaster by Peterfitzwell July 14, 2015

Shitblaster 

When you launch feces at speeds of over 87 MPH from your rectum.

This is a known side-effect of having Taco Bell induced with 3 or more laxatives.

"Dude.. I turned into a complete shitblaster last night, I think I drowned someone.."

Shitblaster by grandmafetish June 26, 2015