UPSET

Up‐set″ (?), v. t. 1. 1. To set up; to put upright. “With sail on mast upset.” R. of Brunne.
2. 2. (a) To thicken and shorten, as a heated piece of iron, by hammering on the end. (b) To shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends.
3. 3. To overturn, overthrow, or overset; as, to upset a carriage; to upset an argument. “Determined somehow to upset the situation.” Mrs. Humphry Ward.
4. 4. To disturb the self-possession of; to disorder the nerves of; to make ill; as, the fright upset her.