originating from the movie Office Space, o-face describes the face one supposedly makes while ejaculating onto a woman, esp. the areola/nip of the left titty. yes my friends, that is the sweetspot. you know you've hit home when her left tittay is covered in skeet. she will love it so much, she will beg for a cleveland steamer to finish the charade off.
**sexual things take place**
man's voice: OHHHHH OHHHHH (while face is contorted with happiness)
**ejaculate spews**
the end
Used in place of smilies such as =O, in smilie-lacking weblogs, such as LiveJournal. Denotes surprise, shock, or other similar emotions conveyed through a gaping mouth on a human being.