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“Lose your marbles” means to act confused or irrational. Here is the likely origin and how English speakers use it today.

Campaign began as a word for level, open country. It first described military action in the field, then spread to politics and advertising.

Both words suggest support, but one is broader and one often implies structural or evidence based reinforcement. Learn the contrast fast.

A dangerous cannon rolling across a ship became a vivid way to describe a person who is unpredictable and likely to cause trouble.