Relating to the peripheral and unimportant aspects of life(adjective)
WordNet. Princeton University. 2010.
Use "hole-in-corner" in a sentence
"But I don't want to have it in a hole-in-corner way, a bit at a time, first one and then another."
"After he was released on bail: That couple of months immediately preceding that, while I was still under suspicion, was without doubt the most difficult period I think I have spent - living this hole-in-corner existence and with my life in effect being in abeyance."