Abbreviation of very jealous. Most commonly used in Essex in the UK and became well known after the tv show 'The Only Way Is Essex' aired. sometimes even more abbeviated to just jel.
by cocoloco1234 January 24, 2012
'Well' is this case means 'very', 'jel' is an abreviaton for 'jealous' therefore 'well jel' means 'very jealous'
by ChocolateCoveredEskimo February 14, 2012