A haboob (Arabic: ÙÙØ¨ÙØ¨ â habÅ«b blasting/drafting) is a type of intense dust storm carried on an atmospheric gravity current, also known as a Weather Front.Haboobs occur regularly in arid regions throughout the world. haboob approaches Taji, Iraq, in 2006. A haboob hits the South-East Valley, Gilbert, AZ, USA, on 5 July 2011, around 7 p.m., hiding San Tan Mountain completely.
applying a blood choke means locking the opponents neck in a restrictive manner to cut the blood flow from both the Perotid and Carotid arteries in the neck as philip has said. but with the links he's also provided, it should help fairly well.
(Learn how and when to remove these template messages) A choke-out is a hand-to-hand combat tactic involving the use of a chokehold to cause syncope, or temporary loss of consciousness, at which point the choke is released.