Lingo
(as|) white as a (ghost|sheet)
used to refer to someone who looks unnaturally pale, often as a result of fear or illness
The idiom "white as a ghost" originated from the association of the color white with a lack of color or pigmentation, similar to the pale appearance of a ghost. It is commonly used to emphasize a person's paleness due to fear, shock, illness, or a sudden loss of color.
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