1 definition by BigJay!

A chap who masturbates way more than usuall. normally found pulling one off into house hold items, such as: sink, shower, toilet or jam jar.
Jeff: Whats jack doing these days?

Rupert: Ahh he's being a serial masturbator somewhere!

Jeff: now I'm dark on him aye.
by BigJay! November 14, 2011
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