What is Sletch?
1.
A word derived from Betch and Slut fused together to form an almighty word. Usually directed towards idiots and used as a name replacement for bitchy and/or slutty people.
noun-You fucking SLETCH! adjective-Don't make me SLETCH slap you!
See
2.
To piss.
Origin west midlands, England
Derived from the word slash.
Fok me arv gorrur av a sletch