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3.
To piss.
Origin west midlands, England
Derived from the word slash.
Fok me arv gorrur av a sletch
by Bobby Kanker August 14, 2003
 
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!
by Dirran the Great March 26, 2007
 
2.
An extreme pervert
Lisa, whats good? Brad broke up with you? Im sorry! You deserve better! He was a Sletch anyway!
by alwaysfresca May 28, 2011