overturner means one who, or that which, overturns. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From overturn + -er.
noun
- One who, or that which, overturns.“Finally came Mr. Banhart, who was happily complicated: he served as comic relief, loud contrast, an embodiment of the music’s stereotypes and an overturner of them.”