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2.
An insult used by chavs in the UK. Can be directed at non-chavs, for example moshers or fellow chavs, either in a jokey way or as a real (although shit) insult.
'hes a wank splat sum times wen he fuckin frose hes fuckin mini chedas but he sum times aight'
by Mosher May 02, 2005
 
1.
commonly used as an insult but often refered to the very messy end of a wanking session if not using your wank jammies...
guy1:dude that was weak!!
guy2:shut up you wank splat.

i had a wank last night and had wank splat all over my bed and got it on my hand...
by shaun p July 06, 2005