Our lying friend Emmeline tried to convince us that she had the saying "stealing the tongue from the foxes mouth" accepted by Urban Dictionary. This was clearly not true, so now the saying refers to the action of lying about having one's Urban Dictionary suggestions accepted.
Emmeline: Mate, that's well brenga!

You: What? Wtf does "brenga" mean?

Emmeline: Haven't you heard? Everyone's saying it. I made it up and Urban Dictionary accepted it, now it's their Word of the Day.

You: Low it mate, you're stealing the tongue from the foxes mouth again innit!
by Papa Tredz September 28, 2013
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