It sounds like you’re asking about a **”Big Piggy Bonus” slot game** or a slot feature with a piggy bank theme.

Here’s a general breakdown of what that might involve, based on common slot mechanics:

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### **1. Likely Theme & Symbols**
– **Piggy bank theme** — symbols often include pigs, coins, gold, treasure, and maybe farm-related items.
– **”Big”** suggests a progressive jackpot or a large bonus feature.

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### **2. Possible Bonus Features**
– **Piggy Bank Bonus Round** — landing 3+ bonus symbols might trigger a “break the piggy bank” mini-game where you pick coins for cash prizes.
– **Free Spins with Multipliers** — sometimes piggy symbols act as multipliers or expanding wilds.
– **Progressive Jackpot** — “Big Piggy” could be a progressive pot that grows until a lucky player hits it.

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### **3. Gameplay Speculation**
– Usually a 5-reel video slot.
– May have a “Bonus Bet” or “Buy Feature” option to trigger the bonus round faster.
– Pig wilds might collect values from wins and burst during a bonus.

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### **4. If You’re Looking to Play**
– Check online casinos for games named **Big Piggy Bonus**, **Piggy Bankin’**, or similar titles.
– Providers like **Aristocrat**, **IGT**, **Playtech**, or **Pragmatic Play** have made piggy-themed slots in the past.
– Search for **”Big Piggy Bonus” slot review** to see the exact rules, RTP, and volatility.

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### **5. Important Reminder**
– Slots are games of chance — set a budget before playing.
– Verify the game’s RTP (Return to Player) if available; higher RTP (e.g., 96%+) generally offers better long-term odds.

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If you have more specific details (like the game developer or a casino where you saw it), I can try to give more targeted info.