The Shimrul Effect is a natural phenomenon discovered by a British-Bengali pharmacist specialising in the study of khalabhai.
Most major acts of extreme stupidness and disability can be - according to the theory - attributed to other nearby forces of dopiness or disability. This causation effect is what is known as the Shimrul Effect.
Guy #1: Woah what the hell, what you did just then was SERIOUSLY disabled man!
Guy #2: Yeah, you're right, sorry man... must be the Shimrul Effect.