NeNe Leakes Calls Out Club Goers for Bday Request, Says Hubby's Dying

NeNe Leakes had to make a very personal confession after someone came at her sideways for not giving them a birthday shout-out ... revealing her husband is on his death bed. The 'RHOA' alum popped up at the Linnethia Lounge in Duluth, GA ... which…