Sum1 Edit Meaning

1. a crayon like graffiti marker that shows up on black surfaces. yo man, all my markers dont show up on black, maybe i should get a greas..

1. Laughing sound (like "ha ha"). Person 1: Janie is so ugly! Person 2: Hoi hoi, but not really. See ha ha, hoi hoi, laugh, la..

1. A button on the graphing calculator. The 'o' isn't actually an o, it's some kind of greek letter that looks like an ..