In an article about Will Smith Daily Mail Refers to the  characters:

Will Smith As Deadshot by Bosslogix

In the comic book history of the character, Deadshot has a dalliance with Harley Quinn so fans of the star’s current film, Focus, will get to see the chemistry between him and Margot Robbie as she steps in as Harley.

I’m always up for learning a new word so I looked it up. A quick google search pulled up this: