nothing-burger(something lame, dead-end, a dud, insignificant; especially something with high expectations that turns out to be average, pathetic, or overhyped. Alexsword92)
none of; chuff along(In the context you mention it would indicate that the person is getting along fine, and is not having any major problems, but is also not experiencing any spectacular successes. The person is going nowhere fast, just like a slow train. Chuff пыхтеть. The train chuffed along. • 'How are you?' 'I'm chuffing along'
wordreference.comPutney Heath)