What is combo?

Some articles on combo, combos:

Chili Con Carnage - Fiesta Mode Event Pickups
... Combo Steal This pickup steals one combo-multiplier point from each opponent's combos ... Combo Stop This pickup stops all combos, and causes them to cash in immediately ...
List Of Combo Rangers Characters - Villains - Dark Combo Ranger
... The Dark Combo Ranger owns the powers off all Combo Rangers (before they received the new powers of Syros) together, plus the ability to fly ... He also has a radar able to locate the Combo Rangers in a one-kilometer-wide range ... The Dark Combo Ranger was a project by Tio Combo, meant to be the most powerful Combo Ranger of all ...