1) The state where a guy or group of guys convince themselves that a particular girl is much more attractive than she really is, in spite of plainness/skankiness/bitchiness that is readily apparent to an objective audience.
2) Vision impairment caused by accident with agricultural hand tools.
1a) "Man that's the girl everyone's talking about? She's not hot at all. They must be ho-blind."
1b) "She sleeps with all his friends but he just can't see it. Poor bastard is ho-blind."
2) "Don't stand so close to Bobby-Sue while he's workin', or y'all could end up ho-blind."