I use CONTEXT_INFO() to control triggers in those cases. If you disable the trigger, of course other deletes also won't process the trigger, when you might have wanted them to. But CONTEXT_INF() is unique to the session or batch.
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".