A person who spend incredible amount of money in gacha type games which makes him/her ultra powerful and godlike.
Commonly used in many reddit mobile game /r.
"HOLY SHIT, I just got recked by that event boss, how can I pull out this?"
"I see, try to add this whale to your buddy, his UR unit with god tier gear can one shot anything in the game!"

"Did you see the new announcement? We have a nice offer coming next week and the girls are so cute! I'm gonna whale like a boss!"
by darkebiru November 12, 2016
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In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
by FQ_GFY February 4, 2020
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noun; a wealthy patron to a casino, gets paid special attention by a casino host so the patron will feel comfortable to gamble more money.
My whale just walked in. He is hosting the Ferrari convention downstairs.
by Crazybmws June 22, 2011
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A gambler who has the capacity to win and lose large sums of money in a casino.
Knowing their potential windfall, the casino caters to their whales.
by A-nony August 14, 2012
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To 'whale' in a game or 'whaling' is a term for gamers or gambling addicts who spend a good huge amount of money on video games or casinos. Since a whale is huge and they pay hugely for gambling or gaming, you can see why this is a thing.

With gamers, microtransactions existed for them within free-to play games (e.g. loot boxes, in-game currency, booster packs, cosmetics, etc.), gacha-like games, mobile games, battle-royale games or anything along those lines.

Gamblers are people who whale tons of cash on slot machines, poker and other natures of casino games and gambling.

"Whales" was a phrase first used by video game publishers to describe their main customers who insufferably liked to gamble their money for in-game items.
Bob: "Hey, Dylan. Guess what happened: I convinced my mum to buy me V-bucks and I spent a heck load on Fartnite last night. So cool, dude."

Dylan: "That game is for toddlers. I see why you needed her to buy it for you. Because toddlers rely on their mummies, and you like to whale money within a crappy game, to buy things you don't need. Player Ultimate Battlegrounds is way better than your game."

Sarah: "Guys, guys, guys... come on. It's not that bad. I spend my free time whaling my student funds on Weeb/Grand Order to get the best units with Gacha hatchers and to be a better player, haha... I think I'm the worst than both of you combined."
by Taz (The Legend) June 28, 2018
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Slang for a fat person. Primarily used to describe an obese person.
I'm not playing seven minutes if a whale is playing.
by bequeef May 12, 2021
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to assault, maul, or generally pummel another with great vigour and enthusiasm. To deliver a beating.
Huckleberry Finn says of his Pap (father) that “He used to always whale on me when he was sober.” (Mark Twain)
by Sassielassie April 21, 2010
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