عريض الوسادة
One with a broad pillow.
The way from the physical phrase to the associated personal quality is not immediately evident. In an appropriate convention, the breadth of the pillow points beyond the object, but the literal translation alone does not disclose the intended quality.
The interpretive rule is to retain the overt meaning and identify a grounded customary association. One should not arbitrarily assert a fixed intended meaning without a supporting usage or context.