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An overweight, female tourist (typically american) mostly located at hotel pools or landmarks. They are recognizable by their excessively large and colorful clothes. As soon as the pool whale reaches maturity, they receive extremely tiny backpacks (usually pink). It is important to mention that they cannot swim. Instead, they simply float around. Whilst in tourist mode, they like taking pictures with iPads.
"Dude check it! She doesn't even fit in her iPad selfie!

"Yeaaaah man! Total pool whale!"
by TheBoo's September 26, 2014
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