Green’s Dictionary of Slang

1. (US) a view, thus v. to look at, notice.

2010		J. Ellroy Hilliker Curse 6: I moved closer for a better orb on the chicks.
2021		J. Ellroy Widespread Panic 16: He orbed my shoulder rig and went Oh shit.

2. (Polari) an eye.

2019

P. Baker Fabulosa 296/1: orbs eyes.