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.
So according to this site the origin of the 'Wombo Combo' term comes from Super Smash Bros Melee (amazing game too) to define an crazy combo. For LoL does it means instakill everyone? What are the famous 'Wombo Combo' of LoL?