slip (one's) mind

(redirected from slip his mind)

slip (one's) mind

To be forgotten, especially of an obligation. I'm sorry I didn't call you back sooner, it totally slipped my mind.
See also: mind, slip
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

slip one's mind

[for something that was to be remembered] to be forgotten. I meant to go to the grocery store on the way home, but it slipped my mind. My birthday slipped my mind. I guess I wanted to forget it.
See also: mind, slip
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

slip one's mind

Be overlooked or forgotten, as in I meant to pick up the wine but it slipped my mind. This idiom was first recorded about 1340.
See also: mind, slip
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

slip your mind

If something slips your mind, you forget it. I was supposed to call her this morning and it slipped my mind. The reason for my visit had obviously slipped his mind.
See also: mind, slip
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

slip somebody’s ˈmemory/ˈmind

forget about something or forget to do something: I was supposed to go to the dentist today, but it completely slipped my mind.
See also: memory, mind, slip
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
This seems to be a fact that Mr MacDonald has let slip his mind and he should take a leaf out of Mr Berman's book and respond to a constituent or even acknowledge them when an issue has been brought to his attention.
So things can slip his mind. Take last Tuesday and his evening update.
And he certainly must be the first science teacher to let the germ theory slip his mind. Coach, wash your mouth out with soap.
Because it seems that, if Rio is anything like his little brother, the chances are the meeting did just slip his mind.
Therefore, did it conveniently slip his mind that it now clashes with the greater pounds 20,000 Reading Masters?
Michael, 32, lets household chores slip his mind too - even though he can reel off a list of 740 randomly chosen numbers after staring at a page for a few minutes.