Some of his known catchphrases are "Good Game", "Are you judging
me?", "Grrarrr", and "Stranger Danger"
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The Eleventh Doctor's main catchphrases are: 'Geronimo!', 'Bow
ties are cool' and for the big bang episode, 'fezzes are cool'
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Ba ba boom
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His longevity & his catchphrases.
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I believe you mean catchphrases, not catchwords. Some
catchphrases that begin with wet are wetback, wet bar, wet blanket,
wet dream, wet noodle, wet nurse, and wet suit.