To sperm around a girls hair, in a "halo" like circle around the edges of the top of the head.
Similar to Supermaning a hoe, only Haloing a hoe is a slightly different maneuver.
Dude i was with this freak girl last night, I got to halo that hoe!
An ugly girl (dragon) who is so utterly unattractive that she is actually "unslayable"
Dude I was trying to just get laid last night but the only girl who wasnt already with a guy was an Immortal Dragon