You'll soon meet a "with recriminations pouring out of his mouth like bad greeting cards."

 It's been fifteen years since I saw  Donald Margulies's   Pulitzer Prize winning marital drama  Dinner With Friends.  I therefore look forward  to  revisiting  its  two  couples. courtesy  of  the Roundabout Theater's revival  at  its Laura Pels theater.   In  the meantime   a  simile  which  I assume  remains in  the  script:

A  wife's  husband  walks out on her with a tirade of recriminations " pouring out of his mouth like bad greeting cards."

Downton"Edith: about as mysterious as a bucket

 The January 19th episode of Downton Abbey provides this  amusing simile from  Lady Mary:

“Edith is about as mysterious as a bucket.”

Fretful as a bird --that's a character in Jon Fosse play

In  his review of  Norwegian playwright Jon Fosse's play, I Am the Wiind   our critic   uses this simile to  describe  one of its  key characters:

The Other is aptly named. Occasionally playful, but mostly fretful as a bird

Metaphors that would be effective similes

"A play is a poem standing up." -Federico Garcia Lorca

This is  one of  those  metaphors  that  with the  addition of  "like" would  be as effective as a  simile