Definitions by fire fly(2008)

sleach 

Unknown disease that attacks the body’s digestive system resulting in uncontrollable Flatulence. In some instances flatulence can reach up to a 14 on the Flatulence shmisshomorshin scale which actually only ranges from 1-10. This disease is now know as the SLEACH, slang used “sleach fart”.

Damn!!!! That was one horrid sleach fart Justin.

sleach by fire fly(2008) December 18, 2008