A lot vs. Alot: 9 Grammatical Pitfalls
marsupial mammal of Australia, 1798, from aboriginal Australian womback, wombar.
Waste Of Money, Brains, And Time.
Problems which are both profoundly uninteresting in themselves and unlikely to benefit anyone interesting even if solved. Often used in fanciful constructions such as "wrestling with a wombat".
See also crawling horror, SMOP.