What a powerful simile, conveying something inward-turning and dangerous through its vivid portrayal of cranial size as a small, corroded bullet.
His skull was dark and small like a corroded musket bullet.
For other bullet related metaphors and quotations, see Adam Nicolson’s encounter with a man to be wary of; Thoreau’s idea of speedy awakening and another on the art of effective writing; and Vasily Grossman on bird responses to war.
Source: Mervyn Peake, Titus Groan, introduction by Anthony Burgess (London: Vintage Books, 1998), p. 8
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