1. Unreasonable feelings, opinions, or attitudes, esp. of a hostile nature, regarding a person's dreadlocks.
2. An unfavorable opinion or feeling formed beforehand about dreads without knowledge, thought, or reason.

Used often in the business world, this incredibly versatile phrase can be literally translated as "fuck it."

An assumption or judgment made about people with deadlocks without sufficient knowledge about that person's political beliefs, lifestyle, social class, sexual orientation or religion.