To have sexual relations anally prior to ejaculating one's load then releasing all outcomes upon a partner's posterior allowing a bed sheet to become stuck to the back, as if it were a cape.
Grant lex luthered the shit out of Barbara. She then went on to exclaim, "GRANT DID YOU SUPERMAN ME!? He replied, "No Trick.. you've been lex luthered!"
by Superman's Nemesis February 08, 2011