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This is the sensation of wanting to be a cat with current intellegence and to have an attractive female owner that you will be able to masturbate over (especially when naked after showers) as she won't suspect the cat of doing such a thing. This is most commonly found in males as opposed to females.
Gosh JR stop wanting to be a catwank!

"look at the cat stroking itself"
"That's not a cat that's a catwank!"
by Yeebles March 14, 2007
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