Top Definition
1. When a thought or idea is lost or forgotten while entering the mind of a human being by a sudden change in the environment. (Most commonly occurring to stoners.)

2. An act to purposely prevent a human being to continue his thought process.
1. I'm totally baked right now typing up this definition of 'Thought Block" and I

2. Friend 1: Man, I just tripped out these two stoners and they forgot where they were going!

Friend 2: Aw, you just though blocked them? You're a dick.
by KrabbyPattiesss June 26, 2011

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