Example 1:
Person 1: Dave?
Person 1: Davveee?!
Person 1: OOh you putting a
mental block on me ehh?
This can then be adapted for wherever you are such as a room block.
Example 2:
Person 1: Dave?
Person 2:
Alright Dave how are ya?
Person 3: Hes put a room block on us all.