Tips N' Tricks & Little things you learned that are game changing.

[Noah Buttes]

• You can 'kick' someones weapon away after chair-diving onto them by right-clicking and picking up the item in question, then throwing it before the game realizes you are stunned and thus cannot hold items.
  

If I recall correctly, this was confirmed as an intentional feature in order to provide some level of defense against butcher knives and daggers.