in someone's dreams

idiom

Definition of in someone's dreams

informal

—used to say that one does not think something that another person wants or expects will ever happen

someone play

dream play dreams

: a series of thoughts, images, or emotions occurring during sleep — compare rem sleep
: an experience of waking life having the characteristics of a dream: such as
: a visionary (see ¹visionary 2a) creation of the imagination : daydream

: to have a series of thoughts, images, or emotions while sleeping : to have a dream (see ¹dream 1)
: to indulge in daydreams or fantasies
: to appear tranquil or dreamy (see dreamy 3a)