CAST

(noun): co-op arena strategy

The genre of gaming invented by Eul and developed by Guinsoo, Neichus, Syllable and eventually Icefrog. Previously known by the useless term MOBA made popular by Riot Games. Veteran professional players who have become analysts of the game are known as 'casters'.

Two teams of 5 players each control 1 (or sometimes more) character called a hero.
Heroes fight to level up by killing minions that spawn from the enemy side of the map along paths called lanes, gaining experience and gold from kills.

Experience allows heroes to learn and improve their special abilities. Gold is used to buy powerful items to either attack, debuff or control enemies or to help and support teammates (and allies).
These individual objectives all come together to achieve one team objective:

DEFEND THE TEAM'S ANCIENT / NEXUS AND DESTROY THAT OF THE ENEMY!

Usually, tiered special structures or entities stand in the way of this major objective and must be eliminated one after another down any particular lane to achieve success.

Popular CAST games include:
Dota 2, developed by Valve
League of Legends, developed by Riot Games
Smite, developed by Hi-Rez Studios
Heroes of Newerth, developed by S2 Games
Heroes of the Storm, developed by Blizzard Entertainment

The CAST game with the highest professional competitive prize pool is Dota 2 with 'The International', at $40 million (USD) at the time of writing. This prize pool is formed from purchases by a devoted community.

rAGEBLADE: Guys, I'm bored with this game.
Sturm&Drang: We could play that CAST game, League of Legends?
rAGEBLADE: CAST? lol wth is League of Legends?
Raijin: It's dead-easy, m8, you'll love it. It's like an arcade game but stupider. Or Dota 2 if that's too easy.
Techsmith314: CAST is a co-op game where you level up and strat before you spam your supers.

rAGEBLADE: Just show me what this CAST stuff is.

umbridge

(noun)

Definition: the opposite or antonym of an orgasm.

"When I saw her revolting toadface at the door to the Room of Requirement, I had a sudden multiple umbridge. Puked my guts out from violent hatred and sheer misery."

"If you keep talking to me like this I'm going to have an umbridge."