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to gilly willy is to do fuck all for a living. to work in an office reading porn and masturbating under your desk
masterbate wanker
i went to college with a low sperm count and now have twins, and to top it off i gilly willy in my job
by Tudor does Donkeys September 04, 2003
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A Gilly Willy, is a person who has no originality with their jokes or stories. Their appearance is usually similar to a mutt or sloth like animal.
"Gilly Willy, I literally told that joke yesterday!"

"You're such a mutt Gilly Willy"
by Adzy C June 11, 2016
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when someone has been on pills there dick schizzles up whilst there on the hype!!!!
me on pills my dick gets samller lol thats called gilly willy
by MATT DRIVER November 16, 2006
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