Used to describe someone or something that is totally hardcore intense. Not just used to refer to a person who is die-hard, but also used as an exclamatory "wow." Or to describe how much you enjoy something. Many tough as nails uses for tough as nails.
Example 1
Look at Jack Bauer, jumping from rooftops kicking ass, tough as fucking NAILS.

Example 2
Rachael Ray's birth chart is ALL Virgo. Every planet is in Virgo. Tough as nails Virgo.

Example 3
Erica is a tough as nails jenny lewis fan. Rilo Kiley, Jenny Lewis all the time. Hardcore, tough as nails Jenny Lewis fan.
by youcanspellthis December 08, 2009
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Someone that calls everyone and everything abusive or inappropriate.
Now that he was elderly, terminally ill, and on a ventilator, the 98 pounds and tough as nails girl was going to go to the hosputal and kick his abusive ass. She had finally found the resolve and courage to do it, and she had decided that no matter the cost to anybody else, she would get her respect as the new guard, and the old guard was on it's way out.
by VinegarDude September 28, 2021
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Someone that thinks that they out Bruce Lee at being Bruce Lee. Someone that thinks they make a better Bruce Lee than Bruce Lee, and a better Madonna than Madonna.
The cocky girl was 98 pounds and tough as nails in her mind.
by VinegarDude September 28, 2021
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The cockiest person you can think of, the one that out-cockies the other cocky people.
The bubbly girl put all of her 98 pounds into hitting that guy she called the squirrel. She either thought she was 98 pounds and tough as nails, or she might have just wanted an excuse to hammer somebody, or both.
by VinegarDude September 28, 2021
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Someone cocky enough to think they outdo everyone at anything.
Now that he's elderly, drunk, and on painkillers, the 98 pounds and tough as nails girl is going to go kick his ass, she finally found the courage and resolve to do it.
by VinegarDude September 28, 2021
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Someone who gets on a reality show claiming to be a badass and thinks anybody who notices what they're really like is underestimating them.
The 98 pounds and tough as nails girl thinks anybody who remembers how much she whined about everything as a kid is underestimating, bullying, or censoring her.
by Solid Mantis July 21, 2020
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