The not so pleasant taste in an individual's mouth when they have consumed several cups of tea, and a layer of residue (or gack) has built up over the tongue.

Even more unpleasant when combined with tabby mouth (when the residue has built up from smoking too many tabs)
I pulled your girlfriend but dont worry! I had chronic brewy breath so she wont have enjoyed it
by mcshulad November 16, 2010
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