Sentence: Mathews speaks of him as Dear, old, kind, gay Sir William Gell, who, while wheeling himself about the room in his chair, for he was unable to walk a step without help, alternately kept his friends on the broad grin with his whimsical sallies and talked archological shop his hand was as big as a leg of mutton and covered with chalkstones nevertheless he could draw with admirable precision.
Combination: a leg of mutton (root: leg, modifier: mutton)
Property: bulky
Property type: emergent