The act of performing fellatio(oral sex) on a man while holding one or more ice cubes in your mouth to create a tantalizing hot/cold sensation. For a variation; Mentos, or any other mint, or Pop Rocks candy, or a sip of champagne can be substituted for ice cubes.
Guy: Dude! Nora was ice cubing my dick last night, it was awesome!
The official term for solving a Rubik's Cube, or anything similar, like a 2x2, 4x4, Pyraminx, Megaminx, and any puzzle made buy Rubik's. ESPN classified cubing as an actual sport.
Person 1: Dude, do you evenplay a sport?
Person 2: Yeah man, I do cubing.