The part of your mouth where chatch (see urban dictionary definition) aka saliva builds up after a session. The area is based in the two creases of the lips. It is home to a white substance that occasionally occurs when too many drugs have been consumed and a lot of shit has been ‘chatted.’
‘Mate you’ve got loads of chatch in your Gibbits’
‘Did you Brian’s Gibbits full of all that chatch?’
‘He had Gibbits full of saliva’
