Slip sb's memory/mind informal verb phrase
If you say something slips your memory/mind, you mean that it is forgotten.
His father's teachings has slipped his mind entirely.
I didn't remember the appointment with Adam last night. Oh, it completely slipped my mind.
Her birthday completely slipped my mind. That is the reason why she has been getting angry with me all day.
Said when one is looking back on something enjoyable or worthwhile in the moment that it was happening even though it was impermanent
To imply the one with a good memory
To mess a speech up or forget the words that one is supposed to say
To make someone recall something.
To make someone remember something
The verb "slip" should be conjugated according to its tense.