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Charlize Theron and Michael Fassbender spent quite a lot of time together this weekend -- On Saturday they promoted their new movie, Prometheus, at WonderCon and on Sunday he presented Charlize with The HRC's Ally for Equality Award at their 2012 gala.

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Charlize Theron Opens Up About New Son, Jackson

Drink firmly in hand, the new mom opened her speech joking, "You Irish don't f*ck around" before launching into a hilarious monologue about every celebrities new favorite speech subject: Michael Fassbender's penis!

Charlize Theron's Glam Gown - Love It Or Hate It?

After thanking him for stepping up and introducing her at the last minute (which is why he was sporting jeans and a t-shirt to the black tie affair), she said, "Honestly, Michael, I think I speak for everybody, we don't care what attire you come out in."

Charlize To Have Very Bad 2012

Talk then turned to his full frontal performance in Shame. "As an actor, I have to say, I was truly impressed that you chose to play it big. Most other actors would have gone small ... trust me! No, I know, because I've worked with most of them. No, seriously, your penis was a revelation. I am available to work with it any time!"

Charlize's speech eventually segued into seriousness as she thanked the organization for their tireless work to make equality a human right for all. Watch: