Definitions for sparse. Here are all the possible meanings and translations of the word sparse. Princeton's WordNet(5.00 / 1 vote)Rate this definition: sparse, thin(adj) not dense. a thin beard; trees were sparse.
In League of Legends, the wombo combo is often characterised as the chaining together of a number of high impact abilities, often area-of-effect crowd control, leading to massive damage and multiple kills.
Quite a lot are made up, that is part of the fun really. I have never heard cockwomble in the wild personally but I can see it is a fairly humourous insult. The Wombles are a kid's puppet / stop-motion show from the 70s, they are little furry creatures who live in Wimbledon Common. A cock is a penis of course.