mental

go mental (informal)

to become very angry. She'll go mental when she sees what you've done to her car!

make a mental note

to make an effort to remember something, often something that you want to do later. I made a mental note to call my mother and tell her what he'd said. (often + to do something) Last time we had dinner together I made a mental note that you didn't like fish. (often + that)

See also: note

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make a mental note

to make an effort to remember something. I made a mental note to call my mother tonight and ask her to meet me tomorrow for lunch.

See also: note