Why, then, your brown bastard is your only drink; for, look you, Francis, your white canvas doublet will sully: in Barbary, sir, it cannot come to so much.
There are no more uses of "sully" in the play.
Show samples from other sources
And though in near time we did sleep together (with a genuinely pleasing, if sober, conviviality), I came to think of that first interlude with a somewhat sorrowful fondness, for I saw that our days together were perhaps sullied from the very beginning and all the way through, right up to the last.
Chang-rae Lee -- A Gesture Life
Maybe I would waste my time on skills I didn’t care about—like sword fighting or badminton—but I would not sully the memory of my once-perfect music and archery.