From Wiktionary, the free dictionary
- To refrain from speaking; to be quiet.
1996 January 3, Henrik Jonsson, “FAQ!”, in alt.sex.fat (Usenet):It's the truth, wormbreath, so gob up and back off!
2015, Jeremy Cameron, Brown Bred In Wengen, →ISBN:'Shut your gob,' I went. 'Wha ...?' she went. 'I can't see.' 'Bit of soil in your beadies, do you no harm,' I goes. 'Now gob up.'
