In parts of the UK this seems to be slang for stealing or muscling in on another person's romantic partner. e.g. from Twitter "some girl gegging on my boys"; also some woman in The Only Way is Essex said it. Equinox ◑ 04:43, 23 December 2014 (UTC)
"geg in" see https://www.bbc.co.uk/programmes/articles/5fKWfTYglNCffwgdMPCnpNg/free-the-word-geg-in 194.207.86.26 19:32, 25 July 2019 (UTC)
