He had always been an upsetter of conventions, and a law unto himself.
"The Divine Fire" by May Sinclair
It was at this happy pitch that he replied to the prime upsetter of his peace.
"The Outcry" by Henry James
He argued as modern men do who think the hero, the upsetter of ordinary calculations, is gone from us.
"The Ordeal of Richard Feverel" by George Meredith
The Upsetter is a pied piper for weirdness, that rare artist whose obvious madness exists in perfect harmony with his uncanny ability.
Taqarub plays upsetter in the Maryland Sprint Handicap.